stormwater runoff
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How Climate Change Impacts Our Water
Climate change disrupts the water cycle in ways that could profoundly alter how we live our lives.
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When It Rains, It Pours: The Effects of Stormwater Runoff
Stormwater runoff can cause a lot of problems in aquatic ecosystems. Here’s how you can help mitigate those effects.
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So Much Depends on a Tree Guard
Adding protective barriers around street trees could reduce load on city sewers, study finds.

Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026


