Chatham University

Perspectives on Silent Spring at 50
Speaker Biographies


Linda Lear, Ph.D.

 Linda Lear, Ph.D.

Dr. Lear is a biographer and historian, holds a Ph.D. in history from George Washington University. She has served as a Senior Smithsonian Research Associate, a Beinecke Fellow, Research Professor of Environmental History at George Washington University and Senior Research Scholar in History at the University of Maryland, Baltimore County, and has been writing biography nearly full time for the last 15 years. She is the author of the acclaimed biography of Rachel Carson, Rachel Carson: Witness for Nature, (just republished 2009 by Houghton Mifflin Harcourt), and numerous academic and popular articles on Carson, as well as the introductions to all of Carson’s published works, including the 40th anniversary edition of Silent Spring. (2007). Lear’s biography of Carson was awarded the prize for the best book on women in science by the History of Science Society in 1999. Chatham University (Carson’s alma mater) conferred an Honorary Doctorate in Humane Letters on Linda in 2008 for her research and writing on women in the environment. Lear’s research papers and adjunct collections dealing with Carson’s life, Carson’s friends and colleagues, and the controversy over Silent Spring form the core of the Lear/Carson Collection at The Linda Lear Center for Archives and Special Collections at Connecticut College in New London, CT. It is open to students and researchers.

Linda Lear


Louis Guillette, Ph.D.

 Louis Guillette, Ph.D.

He is internationally recognized for his research on the impact of toxic chemicals on the reproductive systems of alligators and other wildlife, Dr. Guillette has demonstrated how wildlife can function as sentinels for adverse environmental contaminant exposure. This work has made him a leader in the field of hormone disruption, a major public health threat that has emerged over the past two decades.

In the late 1980s, U.S. Fish and Wildlife Service and state fish and wildlife officials in Florida asked Dr. Guillette to investigate the reproductive biology of alligators and why their populations were experiencing reproductive problems. He and his team discovered that agricultural chemicals contaminating lakes could cause ovarian and genital abnormalities in reptiles by manipulating their hormones.

He later documented dramatic differences between alligators living in contaminated Florida lakes and those in clean ones, which had the highest percentages of successful births. Dr. Guillette also demonstrated that even low-level exposures to one or more contaminants during critical periods of fetal development can have lasting health implications. These findings convinced Dr. Guillette that environmental contaminants are part of the reason we are seeing increases in human reproductive problems, such as testicular cancer, declining sperm counts and endometriosis. Despite intense industry criticism, he has demonstrated unflagging courage in bringing his findings to the public, policymakers and the media.

Dr. Guillette is a professor in the Department of Obstetrics and Gynecology and holds an endowed chair in marine genomics at South Carolina’s Centers for Economic Excellence, at the Medical University of South Carolina. He consistently earns high praise from his students, who cite his creativity in the classroom and laboratory, enlisting them to help capture alligators, turtles, frogs and fish, as the inspiration to pursue their own scientific careers. He received the Heinz Award in 2011.

You can see his wildlife photos here.


Patrick Mangus, Executive Director, National Aviary

 Patrick Mangus

Joined the National Aviary in 2007 as Chief Operating Officer after a 30-year career as a nationallyknown public relations consultant and entrepreneur. He was named Executive Director in January, 2008.

A 1971 graduate of Ohio University with a Bachelor of Science degree in journalism, Mangus got his start in the P.R. business at Burson-Marsteller. There, as an account executive, he represented some the country’s largest corporations. He left that agency in 1981 to form Mangus/Catanzano. Over the firm’s 13 year history, it became the largest independent public relations agency in the region. In 1994, he negotiated its sale to Ketchum Communications and became Senior Vice President and Associate Director of the Pittsburgh office.

In 1996, he left Ketchum to launch Mangus Consulting Group, a boutique agency specializing in in healthcare and not-for-profit communications. The firm was later renamed Forge Communications.

Mangus has won numerous professional awards, including two Silver Anvils and a national Golden Quill. In 1996, he was named Renaissance Communicator of the Year by the Public Relations Society of America (PRSA), and in 1999, he was honored as a Legend of PR. In 2008, he was inducted into the PRSA Hall of Fame.


Patricia M. DeMarco, Ph.D., Director, Rachel Carson Institute, Chatham University

 Patricia M. DeMarco

She became director of the Rachel Carson Institute in January 2011, following a five year term as executive director of the Rachel Carson Homestead Association. She is a native of Pittsburgh, and received a Bachelor of Science and a Doctorate in Biology from the University of Pittsburgh. She worked in the energy and environmental policy field from 1975 to 2005, as Energy Advisory Board Liaison for Governor Grasso of Connecticut, as a Commissioner of the Regulatory Commission of Alaska, with jurisdiction over all electric, gas, water, refuse utilities, and oil and gas pipelines. From 2002 to 2005, she served as associate dean for the College of Business and Public Policy at the University of Alaska Anchorage.

Rachel Carson Institute, Chatham University


John D. Juriga

 John D. Juriga

Juriga is a practicing pediatrician in Upstate New York. While residing on the Eastern Shore of Maryland, he was guest curator of two major exhibits at the Ward Museum of Wildfowl: Art in Salisbury Witness for Nature: The World of Rachel Carson (1999), and Bob Hines: National Wildlife Artist (2003). Dr. Juriga assisted the U.S. Fish and Wildlife Service in its Rachel Carson centennial exhibit, Awakening Nature’s Voice, held at the Cape Cod Museum of Natural History in 2007. In 2009, the Heritage Committee of the U.S. Fish and Wildlife Service presented its Heritage Award to Dr. Juriga because of his scholarship on artist Bob Hines. He is the author of Bob Hines: National Wildlife Artist, a 2012 release from Beaver’s Pond Press. Dr. Juriga also facilitated the Rutherford B. Hayes Presidential Center in Fremont, Ohio (Hines’s boyhood hometown) with its current exhibit, The Wildlife Art of Bob Hines, which celebrates the centennial of Hines’s birth.


Sherrida Woodley

 Sherrida Woodley

She is the first-time novelist of Quick Fall of Light, a story of an avian flu pandemic in our time. Considered speculative, the book straddles the timely issues of stewardship and what it means to resurrect a species, if only to save mankind. Sherrida wrote Quick Fall of Light over a period of about three years, using detailed research from the 1918 flu and the die-out of the passenger. A medical transcriptionist by profession, she’s considered a pandemic in our future but has ultimately come to the conclusion, in the bigger context of the natural world, it’s very hard to predict. Her aim now is to complete another thought-provoking novel about man and creature and the very origins of what it means to be human. She resides in eastern Washington on a small acreage with her husband and three dogs.

Sherrida Woodley


Scott Weidensaul

 Scott Weidensaul

He is the author of more than two dozen books on natural history, including the Pulitzer Prize finalist Living on the Wind, about bird migration, and Of a Feather: A Brief History of American Birding. His newest book, The First Frontier: The Forgotten History of Struggle, Savagery and Endurance in Early America, was published in February 2012. Weidensaul is a contributing editor for Audubon Magazine and writes for a variety of other publications; he lives in the mountains of eastern Pennsylvania, where he studies the migration of hawks, owls and hummingbirds.

Scott Weidensaul


Dianne Glave

 Dianne Glave

She is the author of Rooted in the Earth: Reclaiming the African American Environmental Heritage with Chicago Review Press in 2010. In 2006, she co-edited To Love the Wind and the Rain: African Americans and Environmental History with Mark Stoll with the University of Pittsburgh Press. Both are available in bookstores and online as a paperback and e-book. Dr. Glave has a Ph.D. in United States social history with an emphasis on African American and environmental history. She completed her M.Div. at the Candler School of Theology at Emory University with a concentration on Faith, Health, and Science. Currently, she is the pastor of Crafton United Methodist Church in Pittsburgh, Pennsylvania.

Dianne Glave


Esther L. Barazzone, Ph.D. President, Chatham University

 Esther L. Barazzone

Celebrating her 20th anniversary as president of Chatham University, Dr. Barazzone has lead the transformation of Chatham from small, struggling women’s college to thriving, nationally recognized university. Under her leadership, Chatham has quadrupled its enrollment and garnered national attention for the quality of its academic programs and its innovative and entrepreneurial spirit. Chatham University today serves over 2,200 students in its historic undergraduate women’s college, two coed graduate Colleges, and a new Falk School of Sustainability (Falk School).

During Dr. Barazzone’s presidency, Chatham has made significant commitments to Sustainability and the Environment, a legacy of alumna Rachel Carson and one of Chatham’s three Mission Initiatives (along with Women’s Leadership and Global and Intercultural Education). These include the establishment of the Rachel Carson Institute and the Falk School, which will be located at Chatham’s Eden Hall Campus, the first campus in the world to be built sustainably from the ground up. At Dr. Barazzone’s initiative, Chatham became a Charter Signatory to the American College and University Presidents Climate Commitment, on whose Steering Committee she served, and a member of the International Sustainable Campus Network.

Dr. Barazzone holds a Ph.D. and M.A. in European Intellectual History from Columbia University, where she was a Fellow of the Faculty. She was a Charter Scholar in the first graduating class of New College in Sarasota, Fla., where she earned her B.A. in philosophy and history. Her success in transforming Chatham, as well as her commitment to higher education and to the region’s vitality, has brought her national and regional recognition, most recently as a Pittsburgh Business Times 2012 Diamond Award recipient for being one of the region’s top business leaders in the non-profit sector.


Robert S. Mulvihill, Director of Education, National Aviary in Pittsburgh.

 Robert S. Mulvihill

Prior to 2011, Bob was Field Ornithology Projects Coordinator for Carnegie Museum of Natural History at its Powdermill Avian Research Center. Bob received his B.S. in Education and secondary level teaching certification in biology from the University of Pittsburgh in 1980, and received an M.S. in Biology from Indiana University of Pennsylvanian in 1993. In 1996 Bob began a long-term study investigating the Louisiana Waterthrush (a riparian songbird) as a bio-indicator of stream water quality. During his 25-year professional career, Bob has authored dozens of scientific articles on topics ranging from wing shape to molt patterns, body mass dynamics, breeding biology, and migration timing in leading scientific journals such as Auk, Condor, Freshwater Biology, Global Change Biology, Journal of Field Ornithology, Oecologia, Ornis Scandinavica, Ornitología Neotropical, and Wilson Journal of Ornithology.


David Evers, Ph.D. Founder and Executive Director of the Biodiversity Research Institute (BRI)

 David Evers

A nonprofit, ecological research group with a full-time staff of more than 50. Dr. Evers specializes in research on ecotoxicology with an emphasis on the patterns of oil pollution and methylmercury availability and effects in wildlife, especially birds. A few specific studies include: the development of a wildlife criterion for mercury using empirical studies at the population level in Maine and New York; investigating the relationship between water management and biotic mercury uptake throughout New England; and assessing and quantifying injury to fish and wildlife through the U.S. government’s Natural Resource Damage Assessment program, of which damages are thereafter valued and economized.

Dr. Evers holds a doctorate in conservation biology from the University of Minnesota (2001). He earned his master’s degree in ecology from Western Michigan University (1992) and his bachelor’s degree in wildlife management from Michigan State University (1984). He has published four books and nearly 90 scholarly papers and has given over 140 professional presentations. He is also an adjunct professor at the University of Maine and the University of Southern Maine.

David Evers


Dr. Steven C. Latta, Director of Conservation and Field Research at the National Aviary in Pittsburgh

 Dr. Steven C. Latta

A native of Michigan, he was educated at Kalamazoo College, University of Michigan, and University of Missouri where he received a Ph.D. in avian ecology in 2000. He has worked for 20 years in the Caribbean islands and Latin America where his research has focused on the winter ecology of migratory birds, and understanding how migrant and resident species respond to natural and anthropogenic change to their habitat. Other work has focused on the ecology and conservation of threatened endemics, determining population trends, distribution and effects of avian malaria, and population dynamics in high Andean habitats in Ecuador. He has authored several books on the birds of Hispaniola, and has published more than 75 articles and book chapters. Dr. Latta teaches at the University of Pittsburgh, serves on graduate student dissertation committees, and regularly conducts ornithological training workshops and facilitates internships for Latin Americans. A focus of current research is how the degradation of streams leads to reductions in riparian bird species. Dr. Latta is evaluating the effects of stream quality on the riparian obligate Louisiana Waterthrush (Parkesia motacilla) on the breeding grounds as well as at wintering sites in riparian ecosystems of the Neotropics. Results help to understand the environmental consequences of important water quality management issues from acid precipitation control, acid mine drainage, and the use of hydraulic fracturing to access natural gas deposits.


Holly Lohuis, Marine Biologist and Field Producer for Jean-Michel Cousteau’s Ocean Futures Society

 Holly Lohuis

She is a marine biologist with a degree from the University of California, Santa Barbara and for more than fifteen years has explored the world with Jean-Michel Cousteau and his team. A member of the expedition team for all eleven hours of the PBS series, Jean-Michel Cousteau Ocean Adventures, Holly acts as a liaison with scientists, and is responsible for confirming the factual accuracy of Ocean Futures Society documentaries and publications. As a marine educator, she has taught thousands of children and adults about the wonders and fragility of the marine environment and the importance of protecting our water planet for future generations.

Holly has been a marine educator for almost 20 years and, with the mentoring of Jean-Michel Cousteau, she has been involved with creating Ocean Futures Society’s consistent theme: the ocean is connected to the existence and lifestyle of every human being. For her educational outreach efforts, in 2009 Holly was honored with the Hall of Fame award from the San Juan School district in her hometown, Sacramento, California.

Jean-Michel’s father, Jacques Cousteau, often said, “People protect what they love” and through Holly’s stories, knowledge and passion, we understand the ocean’s importance and allure. Children and adults fall in love with the ocean and these adventures, which contain the critical message that we are all part of the web of life.

Ocean Futures


Terry (Terrence J.) Collins, Teresa Heinz Professor of Green Chemistry at Carnegie Mellon University

 Terry Collins

where he has taught since 1987. He is the director of Carnegie Mellon’s Institute for Green Science. Collins was born and educated in New Zealand, completing his Ph.D. under the guidance of Professor Warren Roper, FRS, in 1978 at Auckland University. He was a postdoctoral fellow with Professor James P. Collman at Stanford University (1978-80). Professor Collins is one of the founders of the field of Green Chemistry. He is internationally recognized for his development of small molecule catalysts called TAML® activators that activate natural oxidants such as hydrogen peroxide to clean water of numerous pollutants and pathogens. TAML activators are the first effective mimics of the peroxidase enzymes, a huge class of enzymes found throughout nature. Professor Collins writes and lectures widely about the importance and promise of chemists turning their prodigious inventive talents towards building the technological dimension of a sustainable civilization. He developed the first university course in Green Chemistry in 1992, a course that is the basis of open-source on-line green chemistry coursework that can be found at:

Prof. Collins’ honors include among others the Heinz Award for the Environment, the EPA’s 1999 Presidential Green Chemistry Challenge Award, the Inaugural Kauffman Award of the Pittsburgh Foundation, Japan’s Society of Pure and Applied Coordination Chemistry Award, and the Pittsburgh Section Award of the ACS,. He is an honorary professor and a Distinguished Alumnus awardee of Auckland University and an Honorary Fellow of the Royal Society of New Zealand.

The Institute for Green Science


David M. Hassenzahl, Founding Dean of the Falk School of Sustainability at Chatham University

 David M. Hassenzahl

He is an internationally recognized scholar of sustainability and risk analysis, and has spent more than two decades addressing subjects as diverse as climate change, energy, toxic chemicals, and public health. His research focuses on incorporating scientific information and expertise into public decisions, with particular emphasis on the management, interpretation, and communication of uncertainty. Among his many publications are Should We Risk It, co-authored with Daniel M. Kammen, and Environment, with Peter Raven and Linda Berg. He holds a B.A. in environmental science and paleontology from the University of California at Berkeley, and a Ph.D. in science, technology and environmental policy from Princeton University. Dr. Hassenzahl’s efforts in climate change education have been supported by the National Science Foundation and the National Aeronautics and Space Administration, and recognition for his educational work includes the Society for Risk Analysis Outstanding Educator Award and the UNLV Foundation Distinguished Teaching Award. He is a Senior Fellow of the National Council for Science and the Environment, is a founding council member of the Association of Environmental Studies and Sciences, and serves on the Executive Committee of the Pennsylvania Environmental Resource Consortium. From 2000–2010, Dr. Hassenzahl was assistant professor, associate professor, and chair in the Department Environmental Studies Program at the University of Nevada, Las Vegas. Prior to his academic career, Dr. Hassenzahl worked in the private sector as an environmental manager at a pulp and paper mill, and in the public sector as an inspector for the (San Francisco) Bay Area Air Quality Management District.


Roger Christie, Grand-nephew and adopted son of Rachel Carson

After Rachel’s death, in 1964, he moved to Massachusetts and has lived there ever since. He is married, with two sons, Thomas and Ian, and the family still goes back to the same cottage in Maine in the summer. Roger Christie has been recording and producing audio since the mid 1970s. He has operated Black Cat Crossing, an Audio Recording/Production company in Harvard, MA since the early 1990’s.

Black Cat Crossing


Mark Madison, Ph.D., Historian and Archivist, National Conservation Training Center, Fish and Wildlife Service of the U.S. Department of the Interior.

 Mark Madison

Mark Madison has degrees in biology and history and received a Ph.D. in 1995 from Harvard University in the history of science. He has taught environmental history, American history, environmental ethics, and conservation biology at Harvard University, the University of Melbourne, and Shepherd University. He is currently the national historian for the U.S. Fish and Wildlife Service lecturing on conservation issues around the country and helping run a conservation archives at the National Conservation Training Center. He has two books in progress on wolf restoration and the California condor. The NCTC Archives/Museum has records from Rachel Carson’s 16 years career as an employee of the Fish and Wildlife Service and its predecessors.

National Conservation Training Center


Louis Hinds, Refuge Manager at Chincoteague National Wildlife Refuge, U.S. Fish and Wildlife Service.

 Louis Hinds

Lou is a native of New Jersey and was raised near the little town of Meyersville. At that time, this was a very rural area of New Jersey and he spent his summers working on his Grandfather’s farm and sawmill. Lou’s first contact with the Fish and Wildlife Service (Service) came when the government bought his grandfather’s land to make it part of the Great Swamp National Wildlife Refuge. With the old homestead now gone, Lou made a decision that would last a lifetime: in 1967, he decided to take a summer job with the Service. That part-time, high school employment opportunity turned into a full-time career. Lou graduated from Morris County Community College with a degree in Associate of Arts and then finished his college work at Rutgers University College with a Bachelor of Science in Wildlife Biology. He has worked for the Fish and Wildlife Service at many locations and has received many awards throughout his career. In 1997, he was named “Refuge Manager of the Year” by the National Audubon Society and the National Wildlife Refuge Association.

Chincoteague National Wildlife Refuge


George Jugovic, Jr., President and CEO, Penn Future

 George Jugovic, Jr

He is a native of southwestern Pennsylvania. He obtained a resource and management degree from Pennsylvania State University and a law degree in 1983 from Lewis and Clark Law School in Portland, Oregon. After clerking for the U.S. Court of Appeals for the Ninth Circuit, he served as the regional director of the Southwest Regional Office of the Pennsylvania Department of Environmental Protection. For six years, he prosecuted criminal cases for the Office of Attorney General’s Environmental Crimes Section. Jugovic works closely with PennFuture’s Energy Center on wind energy issues and implementation of the Alternative Energy Portfolio Standards Act before the Public Utility Commission and currently has focus on extending the PUC’s energy conservation program under Act 129 and working on issues related to the state’s Guaranteed Energy Savings Program. Jugovic spent several years teaching Wildlife Law and Environmental Criminal Law as adjunct faculty at the University of Pittsburgh School of Law and serves on the board of directors for the Western Pennsylvania Audubon Society.


Prajna Parasher, Ph.D., Chatham University, Professor; Chair, Arts, Design and Communication; Program Director, Film and Digital Technology.

 Prajna Parasher

She is a filmmaker/scholar and multimedia artist practicing at the shifting intersection of classical thought and new technologies. Born in the foothills of the Himalayas, she began her education as a filmmaker in Paris and went on to earn a Ph.D. at Northwestern University. Her personal focus on postcolonial studies comes to realization in several forms – films, 2-D art, installations and scholarly writing. Her creative work is experimental and has been shown across the country in venues from small towns to the Smithsonian Institution, Carnegie Museum, Brooklyn Museum, The Nehru Center, London, The Tagore Center, Berlin and the San Francisco Cinematheque. Already part of the canon at major American Universities, her films are used in ethnic, diaspora, cultural and women’s studies. She has received recognition via multiple fellowships, awards and grants.


Joylette Portlock, Ph.D

 Joylette Portlock

holds a bachelor’s degree in biology and minor in anthropology from M.I.T. She earned her Ph.D. in genetics at Stanford University. Most recently, she served as Western Pennsylvania Outreach Coordinator with PennFuture, a statewide environmental advocacy group. Dr. Portlock currently serves on the board of the Citizens’ Climate Corps, and she is co-creator and star of Don’t Just Sit There – Do Something!, an independent video series on important topics about climate change. Previously, Dr. Portlock managed the national community of 1,100 presenters trained by The Climate Reality Project, a nonprofit founded by former Vice President Al Gore to increase public awareness of climate change. A trained presenter herself, Dr. Portlock has been giving presentations about global climate change through the organization since early 2007. Her presentation is regularly updated with the latest science and policy developments.

Do Something About The Climate

Climate Reality Project


Don Hopey, Environment reporter at the Pittsburgh Post-Gazette since 1993.

 Don Hopey

He has produced series of articles about pollution caused by the nation’s hazardous waste incinerators, shortcomings in Pennsylvania’s regulation of longwall coal mining, and an 80-mile canoe trip through the wild and scenic sections of the Allegheny River. In 1995 he participated in and wrote about a through hike of the Appalachian Trail by reporters at five eastern newspapers, and in 1998 reported on a range of air pollution and land use issues in Central Europe. In December 2010, he and fellow reporter David Templeton published an eight-day series titled “Mapping Mortality” that detailed significantly higher mortality rates in southwestern Pennsylvania for diseases linked to air pollution and mapped the deaths to show a link to the region’s 150 major industrial sources and 16 coal-fired power plants.

Previously, Hopey was a general assignment, labor and investigative reporter for the Pittsburgh Press and city hall reporter for the Altoona Mirror. His work has been recognized by a number of local and regional awards. Hopey is an instructor in the University of Pittsburgh’ s environmental studies department, where he teaches an environmental issues and policy class and also teaches a segment of the Yellowstone Field Course for the Pitt Honors College. He holds a bachelor’s degree in political science from Indiana University of Pennsylvania and studied law at Duquesne University, journalism at Pennsylvania State University and was a Ted Scripps Journalism Fellow at the University of Colorado, Boulder, in 2005.

Don Hopey


Ann T. Rosenthal, Artist, educator, and writer.

 Ann T. Rosenthal

She brings to communities 30 years of experience as an artist, educator, and writer. Her art installations address the local manifestation of global concerns, including climate change, food safety, and nuclear waste. Her work has been shown at the Andy Warhol Museum in Pittsburgh; Exit Art and the Hudson River Museum in New York; the Schuylkill Center for Environmental Education in Philadelphia; and Kunsthaus Kaufbeuren in Germany. Ms. Rosenthal’s essays and work on eco/community art have been published in several journals and anthologies, most recently in the online, peer-reviewed Ecopsychology Journal (Winter 2012) and Arts for Change: Teaching Outside the Frame by Beverly Naidus (New Village Press, CA 2009). She received her MFA from Carnegie Mellon University in 1999. Ms. Rosenthal owns an industrial building in Pittsburgh where she is developing LOCUS – a creative commons where art, community and ecology meet.


David Masur, Executive Director, Penn Environment

 David Masur

Graduated from the University of Wisconsin-Madison in 1994, and became an organizer with the Connecticut Public Interest Research Group. Between 1996-2002, David was the Director for PennPIRG, where he led environmental, consumer, and good government campaigns. In June of 2002, David became the director of PennEnvironment and the PennEnvironment Research and Policy Center. His experience includes working closely with the reporters and editorial staff in the state’s largest media outlets, where David has been quoted in nearly every major TV, radio station and newspaper in the Commonwealth for his environmental expertise; lobbying state and federal decision makers; packaging and developing educational campaigns to protect our environment that are rolled out to hundreds of thousands of concerned citizens; and coordinating the efforts of the PennEnvironment Research and Policy Center with environmental groups and other partner organizations in Pennsylvania. David focuses most of his energy working on open space protection, Marcellus Shale gas drilling, and clean water issues in Pennsylvania.


Mark Dixon, YERT! Producer of Your Environmental Road Trip! as part of the 2007 Centennial of Rachel Carson.

 Mark Dixon

Mark attended Stanford University and graduated in 1997 with a BS in industrial engineering. While familiarizing himself with web and media technologies during a 10 year career in Silicon Valley, Mark discovered that our planet Earth was having a tough time accommodating her most dominant species. He also realized that a sound retirement plan would optimally include a stable planet. In an attempt to address these concerns, he went on to launch YERT in 2006 with his college buddy, Ben Evans. His first feature film, YERT has received national and international acclaim with 13 awards in 2011 alone!



Jonathan R. Latham, Ph.D, Co-founder and Executive Director of the Bioscience Resource Project; Editor of the Independent Science News website.

 Jonathan R. Latham

Holds a masters degree in crop genetics and a PhD in virology. He was subsequently a postdoctoral research associate in the Department of Genetics, University of Wisconsin, Madison. Prior to heading the Bioscience Resource Project he published scientific papers in disciplines as diverse as plant ecology, plant virology and genetics. He regularly presents at scientific conferences on papers published by the Bioscience Resource Project. He is also a fellow of the 21st Century Trust. ISN publishes original investigative news and opinion articles on food, agriculture and human health.

Bioscience Resource Project


Ann Payne, Artist, the Mountain Institute.

 Ann Payne

In response to a local environmental disaster, native West Virginian Ann Payne organized Reflections: Homage to Dunkard Creek, a 90-artist traveling art show. Payne is an artist, educator, organic gardener, and grandmother. She teaches Botanical Drawing at the Phipps Conservatory in Pittsburgh.


Voices of the Earth

  • Scott Weidensaul, naturalist and author, Living on the Wind: Across the Hemisphere with Migratory Birds
  • Sherrida Woodley, author, A Quick Fall of Light
  • John D. Juriga, M.D., pediatrician and author, Bob Hines: National Wildlife Artist
  • Diane D. Glave, environmental historian and author, Rooted in the Earth: Reclaiming the African American Environmental Heritage

Esther Barazzone, Ph.D., president, Chatham University


Lessons From Silent Spring

  • Robert Mulvihill, M.Sc., director of education, National Aviary
  • Steven Latta, Ph.D., director of conservation and field research, National Aviary
  • Holly S. Lohuis, marine biologist and field producer for Jean-Michel Cousteau, Ocean Futures Society
  • Terrance J. Collins, Ph.D., Teresa Heinz Professor of Green Chemistry, Carnegie Mellon University
  • David Evers, Ph.D., executive director and chief scientist, Biodiversity Research Institute

Challenges for the 21st Century

  • David Hassenzahl, Ph.D., dean, School for Sustainability and the Environment, Chatham University
  • Mark Madison, Ph.D., historian, U.S. Fish and Wildlife Service
  • Lou Hinds, refuge manager, Chincoteague National Wildlife Refuge, U.S. Fish and Wildlife Service
  • Jonathan R. Latham, Ph.D., co-founder and executive director, The Bioscience Resource Project
  • Patricia M. DeMarco, Ph.D., director, Rachel Carson Institute, Chatham University

The Image and the Message

  • Roger Christie, president, Black Cat Crossing
  • Mark Dixon, independent producer and co-documentarian for YERT - Your Environmental Road Trip
  • Anne T. Rosenthal, artist, educator, and writer, The Art of Engagement
  • Don Hopey, environmental journalist, Pittsburgh Post-Gazette

The Legacy of Rachel Carson: Voices for the Future

  • Paula Purnell, D.Ed., co-partner, Sense of Place Learning
  • Eva Resnik-Day, student and Women and Girls Foundation "Women Greening Pittsburgh" nominee
  • Angela Wiley, Chatham University Student Delegate to United Nations Climate 17 Conference
  • Martha Yanders, student, University of Pittsburgh
  • Sage Lincoln, student, The Ellis School
  • Kevin Zhang, student, Carnegie Mellon University
  • Carrington Motley, student, Sewickley Academy