Spending days camping in a mosquito-filled swamp on the Indonesian island of Borneo, Alison Hoyt's goal was to measure methane emissions in tropical wetlands – one of the largest sources of the potent greenhouse gas.

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The Visible Infrared Imaging Radiometer Suite on the National Oceanic and Atmospheric Administration’s NOAA-20 satellite captured this image of fragmented ice in Hudson Bay on June 28, 2023. 

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