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March 2021 and year to date were among Earth’s top-10 warmest

Arctic sea ice coverage was 9th smallest on record for the month

AROUND NOAA //

NOAA and communities to map heat inequities in 11 states

Countdown to Earth Day: NOAA unlocks citizen science ‘project of the day’

Carbon dioxide levels now higher than at any time in the past 3.6 million years

'What's that in the water?' Using citizen science to better understand marine debris

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