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Lydia Babcock-Adams @seathechemistry.bsky.social · 15/03/2025

Scientists & experts: Add your name to this open letter calling on Congress and the Trump administration to ensure that NOAA and its sub-agencies remain fully funded and staffed, and that the independent, trusted science the agency produces is protected. act.ucsusa.org/4kajJuk

act.ucsusa.org

Science at Risk: Protect NOAA

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Reposted by Lydia Babcock-Adams

Prof Richard Betts @richardabetts.bsky.social · 05/02/2025

Although NOAA's page on atmospheric CO2 levels has vanished, you can still get this vital information from Ralph Keeling's team at the Scripps Institution of Oceanography, UC San Diego keelingcurve.ucsd.edu Please follow bsky.app/profile/keel... for updates and share Don't let science be hidden

A graph of atmospheric carbon dioxide concentrations at the Mauna Loa observatory, Hawaii, from 1958 to 4th February 2025. It shows carbon dioxide levels rising at an accelerating rate over the decades. This is known to be due to emissions of carbon dioxide from human activity, mainly fossil fuel burning but also deforestation. The first CO2 concentration value in March 1958 was 315 parts per million (ppm). The latest daily value is 426 ppm. The graph also shows a seasonal cycle of a few ppm within each year, which is known to be linked to the growing season in the northern hemisphere causing a temporary uptake of carbon in spring and summer and release in autumn. The graph is produced routinely by the Scripps Institution of Oceanography, UC San Diego.

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Reposted by Lydia Babcock-Adams

David Ho @davidho.bsky.social · 25/01/2025

There's natural variability in climate, but it's never changed so rapidly and dramatically. We know it's due to humans because when we only look at the natural forcing and ignore human influence, we can't reproduce the observed changes. It's real and it's us. www.ipcc.ch/report/ar6/w...

Graph comparing changes in global surface temperature over time. It features two panels: the left shows reconstructed and observed temperature changes from 1850 to 2020, highlighting unprecedented warming in the last 175 years. the right shows the change in global surface temperature (annual average) from 1850 to 2020. It shows the observed temperature, along with simulated temperature with and without human influence. The simulation that doesn’t include human influence cannot reproduce what is observed.

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Reposted by Lydia Babcock-Adams

Randie Bundy @rmbundy.bsky.social · 10/01/2025

New paper out led by @pmonreal.bsky.social showing that iron from whale poop is organic and bioavailable. He also found REALLY high copper bound by strong ligands, rendering it not toxic. Such a fun study with help from amazing coauthors! urldefense.com/v3/__https:/...

urldefense.com

Organic ligands in whale excrement support iron availability and reduce copper toxicity to the surface ocean

Communications Earth & Environment - Whales transform prey biomass into labile micronutrients and inject them directly into the surface ocean, according to chemical analyses of whale excrement...

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