Bill McKibben

Bill McKibben is the cofounder of Third Act, which mobilizes people over 60 for action on climate and justice. He’s the author of Here Comes the Sun and 20 other books.

The Renewable Energy Train Has Left the Station

The effort to scale solar and wind and reduce carbon emissions is gaining momentum

By Bill McKibben March 11, 2026

In this story: clean energy, climate change, fossil fuels, solar, wind

Portrait of Bill McKibben sitting and smiling at the camera

Green From the Ground Up

From siting to size to solar, how one activist grappled with the decisions that went into building his ecofriendly home

By Bill McKibben July 1, 2007

In this story: lifestyle, green building

Energizing America

Fossil fuels burned brightly in their day, but now it's time to make the leap to safer, cleaner, climate-friendly alternatives

By Bill McKibben January 1, 2007

In this story: climate change

Year One

Climate chaos has arrived

By Bill McKibben January 1, 2006

In this story: climate change

Bill McKibben

The Renewable Energy Train Has Left the Station

Green From the Ground Up

Energizing America

Year One

The Sierra Club

SIERRA Magazine

About Sierra