How trash could fuel cleaner takeoffs
Turning city waste into jet fuel could trim aviation’s footprint. Unlike other biofuels, it does not use cropland.
Tue, Nov 18, 2025
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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
The road to Belém
Ahead of COP30, a brief history of the complex relationship between people and the Amazon – and how the forest came to be undervalued
Tue, Oct 21, 2025
Chocolate’s climate crisis
Harvard researchers find changing rainfall patterns spell a volatile future for global cocoa crops, turning chocolate into a climate barometer.
Thu, Oct 16, 2025
Renewables are overlooking opportunity at the county fair
Harvard researchers find fossil fuel logos prevail at fairgrounds, where clean energy firms could build local goodwill.
Thu, Oct 9, 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
How AI can accelerate energy grid expansion and reduce your bill
The same AI models devouring electricity could design smarter grids, tame data-center peak energy demand, and address a looming power shortage.
Tue, Sep 2, 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
Clean air rules save lives, and are required by law
What are the legal risks and health consequences of the Trump administration’s proposals to eliminate two clean air regulations for power plants? A lawyer and doctor explain.
Tue, Jul 22, 2025
Understanding and addressing “chemtrails”
In the wake of the coronavirus, people concerned about government control over vaccines and pandemic responses began to organize against geoengineering. A sociologist studying environmental governance explores how to confront their concerns without validating conspiracy thinking.
Wed, Jun 25, 2025
Breathe easier? Not without the science
By canceling a multi-year study of older people with lung disease – a few months before it was due to end – the Trump administration has left patients without help, doctors without answers, and wasted taxpayer dollars.
Fri, May 16, 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