Some of the Lab’s most recent work has focused on drought risk in California and tree recovery after drought. A 2015 study by Park Williams (above, shown on another project in Ethiopia) found that excess heat as temperatures warm was damaging trees’ ability to store carbon and their survival. Photo courtesy of Park Williams
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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