Our Experts

Zanagee Artis

Fossil Fuels Policy Advocate, Nature Program

Zanagee Artis is a founding member and executive director of Zero Hour and has worked in the youth climate movement advocating for the need to transition away from fossil fuels. He is outspoken about the climate crisis and was a…

Dr. Marilee Shelton Davenport

Senior Director, Capacity and Collaboration, Science Office

Marilee Shelton Davenport focuses on growing NRDC’s scientific capacity by strengthening the organization’s connections with the external science community, while also supporting NRDC’s work at the intersection of climate and health. She brings two decades of experience working with scientists…

Emily Davis

Senior Attorney, Climate & Clean Energy Program

After working as a fellow for NRDC’s Clean Air Project for two years post graduating from law school, Emily Davis became a staff attorney in 2011. By employing a multipronged strategy that encompasses litigation, legislative advocacy, and administrative advocacy, she…

David Doniger

Senior Strategic Director, Climate & Clean Energy Program

David Doniger has been at the forefront of the battle against air pollution and global climate change since he joined NRDC in 1978. He helped formulate the Montreal Protocol, an international agreement designed to stop the depletion of the earth's…

Meghan Hassett

Midwest Campaign Manager, Center for Policy Advocacy

Meghan Hassett manages and coordinates Illinois and Midwest campaign efforts on behalf of NRDC and NRDC Action Fund, working with NRDC’s policy experts and advocates, as well as coalition partners, to build the political support needed to protect public health…

David Hawkins

Director, Climate Policy, Climate & Clean Energy Program

David Hawkins joined the nascent NRDC in 1971 and has been with it ever since, minus the four years he spent working at the U.S. Environmental Protection Agency during the Carter administration. Upon his return, he dedicated much of his…

Dr. Vijay Limaye

Senior Scientist, Science Office

Vijay Limaye is a climate and health scientist in NRDC’s Science Office. As an epidemiologist, he is broadly interested in addressing international environmental health challenges—quantifying, communicating, and reducing the risks associated with climate change—with a focus on the public health…

Yvonne McIntyre

Director, Federal Electricity and Utility Policy, Climate & Clean Energy Program

Yvonne McIntyre focuses on federal power sector climate change, clean air, and clean energy policies. She also works with the Sustainable FERC Project on natural gas and federal legislative policies. Prior to joining NRDC, McIntyre spent over 30 years working…

Ihab Mikati

Environmental Justice Attorney, Environment, Equity and Justice Center

Ihab Mikati uses legal analysis and advocacy to help promote the intersectional aims of communities in the environmental justice movement. Prior to joining NRDC, Mikati provided legal services to low-income tenants fighting evictions in New York City's Housing Court. He…

Muhammed Patel

Midwest Clean Vehicle Advocate, Climate & Clean Energy Program

Muhammed Patel works closely with NRDC’s Midwest climate team to advance policies, programs, and standards that help to decarbonize the transportation sector. Patel is responsible for engaging on state-level clean car and clean truck rules to equitably transition the Midwest…

Gina Ramirez

Manager, Midwest Outreach, Center for Policy Advocacy

As a Midwest outreach manager at NRDC, Gina Ramirez works to further sustainable land use and zoning rules that can provide crucial protections to areas of Chicago, like the Southeast Side, that are burdened with cumulative industrial pollution. Ramirez is…

Miriam Rotkin-Ellman

Senior Scientist, People & Communities Program

Miriam Rotkin-Ellman researches industrial air pollution, pesticides, and other toxic chemicals, as well as the links between public health and global warming. Since joining NRDC, she has studied the effects of the 2006 California heat wave, Hurricane Katrina in New…

Charlotte Steiner

Research and Communications Specialist, International Program

Charlotte Steiner specializes in research and media that advance clean energy, health, and equity around the world. She works with the India and Global Strategies teams to support NRDC's international policy agenda—including efforts to promote clean energy, improve air quality…

John Walke

Director, Clean Air, Climate & Clean Energy Program

John Walke has spearheaded the organization’s national clean-air advocacy before Congress, in the courts, at the U.S. Environmental Protection Agency, and before the public since 2000. Before joining NRDC, he spent three years working as an attorney in the EPA’s…