Katharine Hayhoe
Location: Lubbock, TX
Katharine Hayhoe is a climate scientist and Chief Scientist at The Nature Conservancy. She’s known for her empathetic communication, bridging science, faith, and policy to motivate climate action.
X: @KHayhoe Followers: 221.2K
Bill McKibben
Location: Massachusetts, USA
Environmentalist and founder of 350.org. Longtime activist, author, and outspoken critic of fossil fuel expansion.
X: @billmckibben Followers: 34K
Miroslava Duma
Location: USA/Russia
Environmental justice activist and creator of the term “intersectional environmentalism,” recognized on Forbes 30 Under 30 for her work at the intersection of climate and social equity. #Oil_History
Followers: 268K
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Dr. Anas F. Alhajji
Location: Texas, USA
Energy economist, author, and advisor. Managing Partner at Energy Outlook Advisors and former Chief Economist at NGP Energy Capital. Expert on oil markets, energy policy, and geopolitics.
Followers: 184.1K
Prof. Jesse Jenkins
Location: New Jersey, USA
Princeton energy systems professor and public communicator. Co-host of Shift Key podcast; expert on clean energy transitions and U.S. decarbonization policy.
X: @JesseJenkins Followers: 92K
Alaina Wood
Location: East Tennessee
Alaina Wood is a sustainability scientist and climate communicator known as “The Garbage Queen.” She shares hopeful climate solutions through her “Good Climate News” series, helping her audience navigate eco-anxiety and climate doomism.
IG: @itsthegarbagequeen Followers: 236K
Peter Kalmus
Location: USA Saponi Lands, NC
Peter Kalmus is a NASA climate scientist turned activist. He shares candid reflections on personal sacrifices and climate science to inspire systemic change.
IG: @ClimateHuman Followers: 308.2K
Daniel Yergin
Location: Massachusetts, USA
Energy historian, author, and vice-chairman of S&P Global. Pulitzer Prize-winner and author of The Prize, The Quest, and The New Map: Energy, Climate, and the Clash of Nations.
X: @DanielYergin Followers: 42K
Dr. Ayana Elizabeth Johnson
Location: Brooklyn, NY
Ayana Elizabeth Johnson is a marine biologist, co-founder of Urban Ocean Lab, and author of All We Can Save. She advocates for climate equity, ocean conservation, and community-led solutions.
IG: @ayanaeliza Followers: 129K
Amy Harder
Location: Moss Landing, CA
Executive Editor of Cipher News and former Axios and WSJ energy reporter. Known for clear, balanced coverage of climate, energy policy, and fossil fuel issues.
X: @AmyAHarder Followers: 52K
