Kampala’s minibuses waste hours in line. A new experiment asks why
An economist goes inside East Africa’s minibus system to test what could make urban transport faster, fairer, and less polluting.
Tue, Mar 10, 2026
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Urban forestry is climate infrastructure hiding in plain sight
Boston and Cambridge treat trees as a public system, not decoration. Three contributors to these cities’ urban forest plans explain how heat and historic disinvestment are guiding where canopy goes next – amid pressure to add housing and density.
Thu, Mar 5, 2026
Could – and should – we thin clouds to cool the planet?
A solar geoengineering proposal could change how ice crystals form high in the sky. But there are many risks and unknowns.
Thu, Feb 26, 2026
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
The legal weaknesses in Trump’s war on offshore wind
Donald Trump keeps losing in court. He’s battered offshore wind, but his strategy may curb his powers elsewhere.
Tue, Feb 10, 2026
Sniffing out cow burps with an electronic nose
A bovine wearable brings lab-style methane monitoring to the farm, helping scientists test ways to cut livestock emissions of a formidable greenhouse gas.
Wed, Feb 4, 2026
Burning satellites in the stratosphere: Emerging questions for climate
Since the start of the space age, humans have treated the upper atmosphere like a garbage dump. Here is what we know – and what we don’t – about incinerated space trash.
Tue, Jan 27, 2026
Ignoring lifesaving when regulating air pollution: An explainer
The Trump administration says it will no longer quantify the health benefits of reduced air pollution. Here’s what that means and why it matters.
Wed, Jan 21, 2026
New tool lets anyone audit a country’s methane claims
Harvard researchers’ open-access software pairs satellite observations with atmospheric modeling. Among the findings: Venezuela’s oil and gas industry might be the world’s filthiest.
Mon, Jan 12, 2026
Protecting coasts without cooking the planet
Low-carbon, low-cost coastal resilience is possible if designers, builders, and policymakers work together.
Tue, Jan 6, 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