humidity
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In Many Major Crop Regions, Workers Plant and Harvest in Spiraling Heat and Humidity
The ability of farmworkers to cultivate major crops including rice and maize may be compromised if climate trends continue.
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Potentially Fatal Combinations of Humidity and Heat Are Emerging Across the Globe
A new study has identified thousands of incidents of previously rare or unprecedented extreme heat/humidity combinations in parts of Asia, Africa, Australia, South America and North America, including in the U.S. Gulf Coast region.
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Interactive Map: Daily Maximum Wet-Bulb Temperature
View an interactive world map that shows where extreme, sometimes potentially fatal, mixtures of heat and humidity are emerging across the globe.
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Radley Horton: Finding Answers and Spreading Messages of Caution and Hope on Climate
Climatologist Radley Horton’s impactful research is matched by his commitment to communicating the under-appreciated threats associated with global warming.
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
