Climate90
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As of Today, the U.S. Is No Longer Part of the Paris Agreement
Whether or not we rejoin — and thereby do our part to prevent the worst impacts of climate change — depends on the outcome of the election.
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A Changing Regulatory Landscape Hurts the Environment
It’s important to follow what politicians do, not what they say, especially when it comes to environmental protections.
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Nick Frearson Designs Devices for Earth’s Most Extreme Environments
An engineer at Lamont-Doherty, Frearson builds instruments that help scientists collect vital data in Antarctica, the deep sea, and at the top of volcanoes.
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2020 Election Will Be Crucial in Determining Whether We Avoid a Climate Catastrophe
Here’s a look at how the U.S.’s future climate regulation will look under Biden versus another four years of Trump.
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U.S. Fails to Protect Wolverines, Again
Another proposal to list wolverines as an endangered species was rejected, amid emerging research about the urgency to protect them.
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Metals From Chinese Smokestacks Are Landing Far Away in the Pacific Ocean
Emissions from coal-fired power plants and possibly other sources in China are seeding the North Pacific Ocean with metals including iron, according to new a new study.
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Clark Glacier Commemorated at Funeral in Oregon
In mid-October, Oregon’s Clark glacier was honored with a funeral and calls to protect the state’s often overlooked glaciers.
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Land Restoration Can Profoundly Benefit People and the Environment
A recent webinar highlighted how returning land to a more natural state can help the climate, the local environment, and nearby communities.
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In the 2020 Elections, It’s Not Just the Presidential Race That Matters
State utility commissioners play a vital role in shaping the transition to renewable energy and protecting vulnerable populations.

You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!
