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Rising Water Temperatures Could Be A Death Sentence For Pacific Salmon
A new report shows a dire situation for salmon in Washington State. Populations are reeling from habitat loss, flooding and the repercussions of climate change.
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Local Action Leads to Salmon Comeback in Washington’s Hood Canal
Work by tribal, state, and non-governmental organizations in Washington State have brought endangered summer chum salmon populations to potential de-listing levels.
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Controversial Alaskan Mine Receives a Push From the Trump Administration
A proposed rare earth element mine on a mountainous island in Alaska is at the center of a geopolitical conflict and an environmental crisis.
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Warming Rivers Are Causing Die-Offs Among Alaska Salmon
As salmon suffer in Alaska’s warming snow- and rain-fed rivers, some scientists are looking to glaciers to predict the future of these fish.
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Making Fish Farming More Sustainable
Global per capita fish consumption has almost doubled in the last 50 years. And today, about half of all the seafood we eat is produced through fish farming, aquaculture. Can it be done sustainably?
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The Intensifying Debate Over Genetically Modified Foods
Genetically modified foods contain organisms that have had DNA from a non-related species transferred into their genes via biotechnology to imbue them with specific traits. The debate over whether or not they are safe is intensifying as more GM foods show up in our supermarkets, and the movement to label GM food grows.
COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
