State of the Planet

News from the Columbia Climate School

Clean energy3

  • When High Hopes Make Little Sense: Why the Hartwell Paper Fails to Deliver

    Earlier this year, 14 energy academics, analysts and advocates gathered with hopes of reinventing the way the international community treats climate policy. The result, The Hartwell Paper: A new direction for climate policy after the crash of 2009, aims to examine “all aspects of the crisis which enveloped global climate policy” last December during the…

  • Gore, Sachs Address Way Forward on Climate Change

    On February 20, 2007, Jeffrey D. Sachs, Director of the Earth Institute at Columbia University, and former U.S. Vice President Al Gore spoke to a packed house in Columbia’s Low Library Rotunda to address the next steps needed to mitigate the global climate crisis. Gore called upon younger generations to speak up and demand change…

Colorful icons representing nature, sustainable living, and renewable energy with text "Earth Day 2026"

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.

  • When High Hopes Make Little Sense: Why the Hartwell Paper Fails to Deliver

    Earlier this year, 14 energy academics, analysts and advocates gathered with hopes of reinventing the way the international community treats climate policy. The result, The Hartwell Paper: A new direction for climate policy after the crash of 2009, aims to examine “all aspects of the crisis which enveloped global climate policy” last December during the…

  • Gore, Sachs Address Way Forward on Climate Change

    On February 20, 2007, Jeffrey D. Sachs, Director of the Earth Institute at Columbia University, and former U.S. Vice President Al Gore spoke to a packed house in Columbia’s Low Library Rotunda to address the next steps needed to mitigate the global climate crisis. Gore called upon younger generations to speak up and demand change…