Chocolate’s new climate threat: Too much rain
Drought is not the only climate challenge facing cocoa farmers. Better warnings before extreme rains could help them protect their harvests.
Mon, Sep 14, 2026
The Harvard Climate Brief brings expertise on climate change and sustainability to the wider world. Authors’ views are their own. Republish.
Get the brief in your inbox
Subscribe
63 Results
Seawalls and other hard choices on the shore
A cost-benefit analysis suggests that seawalls can buy Côte d’Ivoire time – but not a lasting answer.
Tue, Aug 18, 2026
When heat hits home: Climate change’s hidden and deadly toll
Buildings, housing conditions, and access to cooling shape the health risks of extreme heat. A study from Boston shows how the cost of buying and running air conditioning can leave high-risk residents without protection.
Mon, Aug 10, 2026
When a heat wave is coming, who is most at risk?
A free new tool makes cutting-edge data streams available to anyone, helping planners map where extreme heat, health risks, and vulnerability collide – block by block.
Wed, Jul 29, 2026
Will the AMOC slow? Collapse? Four ways scientists study the Atlantic current
The Atlantic Meridional Overturning Circulation is likely to weaken. But there will be no certainty without decades more ocean data.
Tue, Jul 7, 2026
Climate anxiety is real. That does not make it a diagnosis
A child psychiatrist explains why distress over climate change should not be reduced to individual pathology.
Mon, Jun 29, 2026
How we came to understand El Niño
For centuries, farmers, fishermen, and forecasters saw pieces of the same climate pattern. Modern observations revealed how a warming Pacific can reshape weather around the world. Now global warming is making some of those effects harder to predict.
Mon, Jun 22, 2026
Africa’s rising seas, mapped and measured coast-to-coast
A new tool lets users click anywhere on Africa’s shoreline to visualize how sea level has changed since 1900, what forces are driving the accelerating change, and how much more to expect by 2100.
Mon, Jun 15, 2026
All perspectives expressed in the Harvard Climate Brief are those of the authors and not of Harvard University or the Salata Institute for Climate and Sustainability. Any errors are the authors’ own. The Harvard Climate Brief is edited by an interdisciplinary team of Harvard faculty.