Lamont-Doherty Earth Observatory50
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8 Meaningful Actions You Can Take This Earth Day
Making a difference in your day-to-day life is not only empowering, but can lead to wider cultural and societal change.
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On the Eve of Earth Day, A Live Discussion About the Consequential Decade Ahead
Tonight’s Earth Lecture takes a hard look at climate change and the path forward.
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How You Can Help Restore Nature on Earth Day
Consider helping to revive a degraded ecosystem by getting involved in an ecorestoration project.
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Decades After the Oil Spill That Inspired Earth Day, Are We Prepared for the Next One?
We’ve gotten better at preventing and tracking oil spills, but oceanographers say much more progress is needed.
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Maureen ‘Mo’ Raymo Takes on a Mighty Mission
The decorated climate scientist is named director of Lamont-Doherty Earth Observatory and co-founding dean of the newly launched Columbia Climate School.
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Emotional Appeal: How Art Can Inspire Action on Climate Change
Climate science tells us how the world is changing. Climate art shapes how we choose to respond.
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Announcing the Leadership of the Columbia Climate School
The Columbia Climate School will be co-led by four of Columbia’s most eminent climate experts: Alex Halliday, Jason Bordoff, Ruth DeFries, and Maureen Raymo.
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Columbia Climate School Goes to the Green Mountains
This pre-college program in Castleton, Vermont, will mobilize students in grades 9–12 to take action and affect change in response to our warming planet.
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Climate Change Is Making Indian Monsoon Seasons More Chaotic
A new study finds that summer monsoon rainfall in India will become stronger and more erratic, posing a threat to the region’s agriculture and economy.

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.
