ROBERT F. KENNEDY JR., activist, environmental attorney, and author, has spent most of his career suing people who pollute water. He helped found Hudson Riverkeeper, and after they won some cases they bought river patrol vessels to increase effectiveness. The model is being repeated in organizations worldwide. He is president of the board of Waterkeeper Alliance, and from 1986 until 2017, was as senior attorney for the Natural Resources Defense Council (NRDC). For more than thirty years, he was a professor of Environmental Law at Pace University School of Law (now professor emeritus). Kennedy co-hosts Ring of Fire, a nationally syndicated American radio program, and has written or edited ten books, including two New York Times bestsellers and three children’s books. He’s also an excellent public speaker.

DAVID SUZUKI, academic, science broadcaster and environmental activist is best known as host of the popular and long-running CBC Television science program The Nature of Things, seen in over 40 countries. Suzuki earned a Ph.D. in zoology from the University of Chicago in 1961, and was a professor in the genetics department at the University of British Columbia from 1963 until his retirement in 2001. Since the mid-1970s, Suzuki has been known for his television and radio series, documentaries and books about nature and the environment. He is also well known for criticizing governments for their lack of action to protect the environment.

Paul Hawken is an American environmentalist, entrepreneur, author, activist and the Co-founder and Executive Director of Project Drawdown, a non-profit that describes how global warming can be reversed. He was the lead author on the book Drawdown as well. Hawken has authored articles, op-eds, and peer-reviewed papers, and has written seven books, including: The Next Economy (Ballantine 1983), Growing a Business (Simon and Schuster 1987), The Ecology of Commerce (HarperCollins 1993), and Blessed Unrest (Viking 2007). The Ecology of Commerce was voted the #1 college text on business and the environment by professors in 67 business schools. The businessman and environmentalist Ray Anderson of Interface, Inc. credited The Ecology of Commerce with his environmental awakening. He described reading it as a “spear in the chest experience,” after which Anderson started crisscrossing the country with a near-evangelical fervor, telling fellow executives about the need to reduce waste and carbon emissions.

NAOMI KLEIN, Canadian author, social activist, and filmmaker known for her political analyses and criticism of corporate globalization and of capitalism. On a three-year appointment from September 2018, she is the Gloria Steinem Chair in Media, Culture, and Feminist Studies at Rutgers University. Klein first became known internationally for her book No Logo (1999); The Take (2004), a documentary film about Argentina’s occupied factories, written by her, and directed by her husband Avi Lewis; and significantly for The Shock Doctrine (2007), a critical analysis of the history of neoliberal economics that was adapted into a six-minute companion film by Alfonso and Jonás Cuarón, as well as a feature-length documentary by Michael Winterbottom. This Changes Everything: Capitalism vs. the Climate (2014) was a New York Times Bestseller List non-fiction bestseller and the winner of the Hilary Weston Writers’ Trust Prize for Nonfiction in its year. In 2016 Klein was awarded the Sydney Peace Prize for her activism on climate justice.

BILL McKIBBEN, environmentalist, author, and journalist who has written extensively on the impact of global warming. He is the Schumann Distinguished Scholar at Middlebury College and leader of the anti-carbon campaign group He has authored a dozen books about the environment, including his first, The End of Nature (1989), about climate change.

President Barack Obama is photographed during a presidential portrait sitting for an official photo in the Oval Office, Dec. 6, 2012. (Official White House Photo by Pete Souza)

BARACK OBAMA, President of the USA. Obama raised fuel-efficiency standards, introduced the Clean Power Plan and the  Public Land Management Act of 2009, started a plan to save bees and pollinators, established  the National Ocean Policy, creted the largest ocean sanctuary on the planet, and much more.

ELIZABETH MAY, Leader of the Green Party in Canada, and for years the only Green in Parliament, May is among the hardest working environmentalists in the world. She fought successfully against aerial insecticide spraying on forests on Cape Breton Island and also against nuclear power. She became Senior Policy Advisor to a federal Environment Minister, creating national parks and negotiating the Montreal Protocol, which has since helped heal our ozone hole problem. She served as Executive Director of the Sierra Club of Canada from 1989-2006 and also on the International Institute for Sustainable Development, as Vice-Chair of the National Round Table on Environment and Economy, on the Earth Charter Commission co-chaired by Maurice Strong and Mikhail Gorbachev, and was a Commissioner of the Earth Charter International Council.