Our Experts

Debbie Hammel

Director, Forests

Becky Hammer

Senior Attorney, Nature

Meredith Hankins

Senior Attorney, Climate & Clean Energy Program

Kathy Harris

Director, Clean Vehicles, Climate & Energy

David Hawkins

Senior Attorney, Climate & Energy

Samantha Henningson

Transportation Advocate, Climate & Energy

Carolina Herrera

Strategy, Planning & Operations Lead, International

Alex Hillbrand

Technical Director, Industry & Emerging Technologies, Climate & Energy

Karen Hobbs

Senior Advisor & Managing Director, Center for Campaigns & Organizing

Katie Hobbs

Senior Legislative Advocate, Center for Campaigns & Organizing

Mima Holt

Global Coordinator, International

Darby Hoover

Senior Resource Specialist, Environmental Health & Nature

Cullen Howe

Senior Clean Energy Transmission Advocate, Climate & Energy

Ning (Lisa) Hua

Director of China Conservation Project, China

Yeh-Tang Huang

Schneider Sustainable Energy Fellow, Climate & Energy

Pete Huffman

Staff Attorney, Climate & Clean Energy Program

Sara Imperiale

Director, Community Lawyering, Environment, Equity & Justice Center

Mark Izeman

New York Regional Senior Strategist and Senior Attorney, People & Communities Program

Katy Jacobs

Director, Entertainment Partnerships, Communications

Michael Jasny

Director, Marine Mammal Protection Project, Nature Program