Climate migration is already reshaping American cities
Are cities prepared? Worcester offers a case study.
Mon, Apr 13, 2026
The Harvard Climate Brief brings Harvard faculty expertise on climate change and sustainability to the wider world. Authors’ views are their own. Republish.
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Climate Policy
The legal reasoning behind the endangerment rescission
Experts from Harvard Law School explain how the Trump Administration justified eliminating the bedrock finding for federal greenhouse-gas regulation, and what comes next.
Tue, Feb 17, 2026
Germany’s battery boom reframes the energy transition
The country shows how consumers value green tech – with global lessons for utilities and policymakers.
Tue, Dec 16, 2025
Protecting nature to stabilize climate
Climate change and biodiversity loss are tightly linked crises. Treating them as separate problems risks making both worse.
Wed, Dec 10, 2025
A green edge to global growth
A climate coalition centered on carbon pricing can help many emerging economies coordinate a response to new carbon border fees, raising domestic revenues while helping the world economy grow greener.
Wed, Nov 5, 2025
When heat beats CO₂: Climate change will cut U.S. yields and raise world food prices
Rising heat in the Midwest will outweigh CO₂ fertilization, nudging production north and prices higher.
Wed, Sep 17, 2025
Solar panels cut CO₂ emissions. Here’s where they make the most difference
A data-driven, time-sensitive estimate of the climate payoff from scaling up solar power gives policymakers a realistic roadmap for meeting emission-reduction goals.
Thu, Aug 7, 2025
The 2025 Tax Debate and Clean Energy Investment
An economist surveys the potential fiscal and environmental implications of eliminating IRA clean-energy spending.
Wed, May 14, 2025
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.