Paul Macdonald

Paul Macdonald

@paulmac.bsky.social

Fighting for climate action, and challenging anti-science propaganda, disinformation, and misinformation.

2K followers3.7K following21.6K posts

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Paul Macdonald
@paulmac.bsky.social

A few years ago, prior to Australia’s ‘Black Summer’, I began capturing extreme events as I became aware of them escalating to a frequency of becoming annual events - some type of disaster of unprecedented scale occurring somewhere where such an event was previously unheard of. 🧵

Paul Macdonald
@paulmac.bsky.social

“The shift reverses decades of freshening and echoes ocean changes usually associated with major global climate shifts over millennia but is now happening in just a few years.” #Cryosphere #Antarctica #SeaIce #SeaIceExtent #RateOfChange #EarthsEnergyImbalance #EquilibriumClimateSensitivity

nature.comReversal of Antarctic Intermediate Water trends triggered by sea ice decline - Nature Climate ChangeThis work investigates the effect of the 2016 regime shift in Antarctic sea ice on Antarctic Intermediate Water (AAIW). The authors show that decreased sea ice and reduced freshwater subduction lead t...
Paul Macdonald@paulmac.bsky.social

Anthropogenic Global Warming, Glaciers, & the Cryosphere (Pages 1 to 5) www.facebook.com/share/p/1Byd...

facebook.comFacebook
Paul Macdonald
@paulmac.bsky.social

…and a day later…

Paul Macdonald@paulmac.bsky.social

The brutality of climate science denial, and state capture of governments by the fossil fuel industry, continues to inflict immense suffering in the third week of October 2026. Extreme Climate & Weather Events - October 2026 (Updated 20261022) www.facebook.com/share/p/1Exo...

Paul Macdonald
@paulmac.bsky.social

The brutality of climate science denial, and state capture of governments by the fossil fuel industry, continues to inflict immense suffering in the third week of October 2026. Extreme Climate & Weather Events - October 2026 (Updated 20261022) www.facebook.com/share/p/1Exo...

Paul Macdonald@paulmac.bsky.social

The most disturbing thing is how clearly and for how long we have been warned about what would happen if we continued to burn oil, coal, and gas. We are now paying the cost of decades and decades of hubris, corruption, and ignorance. www.facebook.com/share/p/1F3W...

Paul Macdonald reposted

Paul Macdonald
@paulmac.bsky.social

This is hopefully a helpful hint for those who follow me. If or when you go to my profile, click on the ‘Replies’ tab, and that will take you to the latest updates that I’ve appended to my mega-threads. For many of the threads it’ll show you the first post of the thread, and the latest two posts.

Paul Macdonald@paulmac.bsky.social

A few years ago, prior to Australia’s ‘Black Summer’, I began capturing extreme events as I became aware of them escalating to a frequency of becoming annual events - some type of disaster of unprecedented scale occurring somewhere where such an event was previously unheard of. 🧵

Paul Macdonald
@paulmac.bsky.social

I hope this is seen as a very clear message to billionaires; not just a message to Trump and Republicans. Let’s hope that all the people who didn’t vote last time, understand clearly & urgently now, why they should have voted last time, & are thoroughly committed to voting this time. #FranceKnows