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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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Methane
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a cow

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.
Methane
Wed, Feb 4, 2026
oil derrick in Venezuela

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.
Energy Methane
Mon, Jan 12, 2026
Cows

How Brazil’s “China cows” lower methane emissions

Because Brazilian cattle spend longer reaching market weight than cows in the U.S., they belch out more than three times as much methane for every pound of meat. Restoring degraded pastures is helping.
Methane
Mon, Apr 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.