During the Copenhagen Climate Talks, Kenyan tree-planting activist Wangari Maathai was appointed a UN Messenger of Peace. UN Secretary-General Ban Ki-moon bestowed the honor, symbolized by a

During the Copenhagen Climate Talks, Kenyan tree-planting activist Wangari Maathai was appointed a UN Messenger of Peace. UN Secretary-General Ban Ki-moon bestowed the honor, symbolized by a pinned dove, in a ceremony witnessed by RRI's Elizabeth Baker, a delegate associated with Maathai's Green Belt Movement.

Professor Maathai emphasized activism's crucial role in safeguarding civil society's global interests. She urged for decisive climate action within a Copenhagen agreement.

Dr. Chris Charles explores how ongoing greenhouse gas additions affect Earth's climate variability. He explains how geological archives provide new insights into humanity's impact on our planet's

Dr. Chris Charles explores how ongoing greenhouse gas additions affect Earth's climate variability. He explains how geological archives provide new insights into humanity's impact on our planet's climate.

This presentation is part of the "Perspectives on Ocean Science" series, originally recorded in October 2004.

In Peak Moment 26, author Guy Dauncey presents optimistic, actionable solutions for the Peak Oil and climate crisis. He emphasizes that a critical planetary energy transition is achievable through

In Peak Moment 26, author Guy Dauncey presents optimistic, actionable solutions for the Peak Oil and climate crisis. He emphasizes that a critical planetary energy transition is achievable through conservation, efficiency, proven technologies, and emerging innovations.

Dauncey, author of "Stormy Weather," offers practical strategies for immediate implementation. For more details on this segment, visit More information.

The energy crisis has prompted even die-hard environmentalists to reconsider nuclear power. In this first-ever TED debate, Stewart Brand and Mark Z. Jacobson square off, discussing its pros and

The energy crisis has prompted even die-hard environmentalists to reconsider nuclear power. In this first-ever TED debate, Stewart Brand and Mark Z. Jacobson square off, discussing its pros and cons. This thought-provoking discussion might even change your mind.

TEDTalks is a daily video podcast from the TED Conference, featuring the world's leading thinkers and doers delivering the talk of their lives in 18 minutes.

This trailer introduces "How to Boil a Frog," an eco-comedy that confronts the consequences of overshoot: too many people consuming too little planet.

An everyman dad guides viewers through

This trailer introduces "How to Boil a Frog," an eco-comedy that confronts the consequences of overshoot: too many people consuming too little planet.

An everyman dad guides viewers through the imminent global crisis, revealing five surprising ways we can save civilization.

The National Resources Defense Council (NRDC) presents a documentary exploring ocean acidification, a startling phenomenon that threatens marine life on a scale

The National Resources Defense Council (NRDC) presents a documentary exploring ocean acidification, a startling phenomenon that threatens marine life on a scale not seen for tens of millions of years. Featuring Sigourney Weaver, the film originally aired on Discovery Planet Green.

Additional videos are available on the NRDC YouTube channel.

Pulitzer Prize-winning journalist Ross Gelbspan's 1997 book, *The Heat Is On: The High Stakes Battle Over Earth's Threatened Climate*, documents the reality and acceleration of global

Pulitzer Prize-winning journalist Ross Gelbspan's 1997 book, *The Heat Is On: The High Stakes Battle Over Earth's Threatened Climate*, documents the reality and acceleration of global warming.

Gelbspan exposes the campaign by oil and coal interests, teamed with conservative politicians, to confuse the public. He was an early voice in urging people to confront the facts of climate change.