old-growth forests
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Biodiverse Forests Better at Storing Carbon for Long Periods, Says Study
Supports policies that protect and regenerate natural forests instead of planting new ones.
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Within Sight of New York City, an Old-Growth Forest Faces Storms and Sea Level Rise
On a peninsula within sight of New York City, researchers are studying trees dating as far back as the early 1800s. Rising seas and more powerful storms, both fueled by climate change, could eventually spell their end.
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Photo Essay: An Old-Growth Forest Near New York City Faces Storms and Sea-Level Rise
Centuries-old trees on a peninsula near New York City could provide an important record of past storms. Researchers recently traveled there to sample the trees before they are wiped out by rising seas and powerful storms.
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Climate Change and the Re-Greening of Puerto Rico
Ecologist Maria Uriarte investigates the effects of Hurricane Maria on the forests of Puerto Rico, and how long-term climate change may affect them.
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![‘Are You Using This Idea for Your Thesis Research?’ [UPDATE]](https://media.news.climate.columbia.edu/wp-content/uploads/2013/02/SnailsPennyCrop.jpg)
‘Are You Using This Idea for Your Thesis Research?’ [UPDATE]
“Are you using this idea for your thesis research?” I heard this as I stood in front of a classroom full of old-growth forest ecology students. The question had come from Neil Pederson, who was sitting directly in front of me. He was asking this question because I had just spent the past 12 minutes…

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
