202513
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African Societies Survived Climate Shifts for Millennia by Diversifying How They Lived
New research sheds light on how communities adapted to past climate change, offering lessons for current and future challenges.
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In Norway, Climate Goals Clash With Indigenous Herders’ Rights
A proposed powerline meant to help meet Norway’s climate goals may infringe on the Saami people’s cultural traditions and international legal rights.
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More and More People Missing From Official Census Data
Foreign aid cuts will worsen “quiet crisis,” according to experts.
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How AI Is Revolutionizing the Recycling Industry
Modern waste facilities are incorporating AI into their systems, using robots guided by AI vision systems and machine learning algorithms, high resolution cameras, hyperspectral imaging, near-infrared sensors and predictive analytics.
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MR 2025: Building Mobility, Resilience and Connection in a Changing Climate
At MR2025, local and international scientists, policymakers, academics and community members will join representatives from different sectors to discuss climate mobility, adaptation and wellbeing.
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Rethinking Energy Systems in the Age of AI
To view data centers as mainly energy-intensive off-takers misses their potential as digital and energy infrastructure multipliers.
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Student Spotlight: For This MA Candidate, the Path to Climate Policy Is Personal
Saira Ramirez Mingueta plans on working at the intersection of climate justice, public health and policy.
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Leveraging the Power of Open Source Data To Map the World’s Oceans
In honor of World Oceans Day, marine geophysicist Vicki Ferrini discusses the current state of ocean research, and the important role international collaboration plays in this field.
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Student Spotlight: Advancing Equity Through Clean Energy Policy
Nicholas Britton, a student in Columbia’s MPA-ESP program, believes equitable energy access is a fundamental human right and a powerful lever for climate and equity solutions.

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.
