Prof William Ripple
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williamripple.bsky.social
Prof William Ripple
@williamripple.bsky.social
3.4K followers 120 following 130 posts

Distinguished Professor of Ecology-Oregon State University
Director-Alliance of World Scientists
Co-Lead author "The 2024 State of the Climate Report" https://doi.org/10.1093/biosci/biae087

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William J. Ripple is a professor of ecology at Oregon State University in the Department of Forest Ecosystems and Society. He is best known for his research on terrestrial trophic cascades, particularly the role of the gray wolf in North America as an apex predator and a keystone species that shapes food webs and landscape structures via “top-down” pressures. .. more

Environmental science 70%
Geography 17%
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williamripple.bsky.social
Prof William Ripple @williamripple.bsky.social · 8d
Our 2025 State of the Climate Report was just published in BioScience by scientists from around the world including @michaelemann.bsky.social @petergleick.bsky.social This video (2 minutes) shows the key highlights: doi.org/10.1093/bios...

williamripple.bsky.social
Prof William Ripple @williamripple.bsky.social · 7h
See our new dire new warning about the state of the planet
doi.org/10.1093/bios... | grist.org/climate/scie...
Scientists have a dire new warning about the state of the planet
Recent climatic developments "mark the beginning of a grim new chapter for life on Earth," but it's not too late for radical action.
grist.org

Reposted by John R. Hutchinson

Reposted by Richard Larouche

williamripple.bsky.social
Prof William Ripple @williamripple.bsky.social · 1d
We just published a report that serves as a warning to humanity that we are hurtling towards climate chaos. More info here: doi.org/10.1093/bios... and here www.nationthailand.com/blogs/sustai...
Earth hits hottest level in 125,000 years
A global study finds 2024 was hotter than the peak of the last Ice Age, with record-breaking heat, ocean warming, and ice loss driving Earth toward irreversible tipping points.
www.nationthailand.com

Reposted by Stelios Katsanevakis

williamripple.bsky.social
Prof William Ripple @williamripple.bsky.social · 1d
In our State of the Climate Report, my coauthors and start by saying: We are hurtling toward climate chaos. The planet's vital signs are flashing red. The consequences of human-driven alterations of the climate are no longer future threats but are here now. Read report here doi.org/10.1093/bios...

williamripple.bsky.social
Prof William Ripple @williamripple.bsky.social · 3d
As we alarmingly wrote "We are hurtling toward climate chaos" in our new State of the Climate Report which just came out. We may be on the path of a hothouse Earth trajectory as shown in this figure. Read the full report: doi.org/10.1093/bios...

Reposted by Michael E. Mann, Joanna Bryson, Brian J. Enquist , and 11 more

Reposted by William J. Ripple, Albert Weale, Jane Green , and 1 more

oxfordacademic.bsky.social
Oxford Academic @oxfordacademic.bsky.social · 10d
🚨 Earth's vital signs are flashing red.

🌡️ 2024 was the hottest year in recorded history.

Read the latest Climate report from @williamripple.bsky.social and Christopher Wolf's team, published in BioScience.

oxford.ly/47i6K5j
The 2025 state of the climate report: A planet on the brink

Reposted by William J. Ripple, Christopher Wright, Steve Keen

williamripple.bsky.social
Prof William Ripple @williamripple.bsky.social · 12d
The window to act on climate is rapidly closing. Our new 2025 State of the Climate report is just out. Read the full report here: doi.org/10.1093/bios... @michaelemann.bsky.social @dwallacewells.bsky.social @georgemonbiot.bsky.social @ecowarriorss.bsky.social

Reposted by Michael E. Mann

williamripple.bsky.social
Prof William Ripple @williamripple.bsky.social · 12d
As we alarmingly wrote "We are hurtling toward climate chaos" in our new State of the Climate Report which just came out. It is well covered by the LA times. Thanks to my set of distinguished coauthors including @michaelemann.bsky.social @petergleick.bsky.social and others.
ianjames.bsky.social Ian James @ianjames.bsky.social · 12d
As global warming intensifies storms, droughts and wildfires, scientists warn that “the window to prevent the worst outcomes is rapidly closing.”

Read about the new report on the state of the climate in @latimes.com: www.latimes.com/environment/...

Read the full report: doi.org/10.1093/bios...
Humanity is on path toward 'climate chaos,' scientists warn
Global use of fossil fuels rose to a new record last year, releasing even more greenhouse gases. Humanity is 'hurtling toward climate chaos,' scientists warn.
www.latimes.com

Reposted by William J. Ripple

ianjames.bsky.social
Ian James @ianjames.bsky.social · 12d
As global warming intensifies storms, droughts and wildfires, scientists warn that “the window to prevent the worst outcomes is rapidly closing.”

Read about the new report on the state of the climate in @latimes.com: www.latimes.com/environment/...

Read the full report: doi.org/10.1093/bios...
Humanity is on path toward 'climate chaos,' scientists warn
Global use of fossil fuels rose to a new record last year, releasing even more greenhouse gases. Humanity is 'hurtling toward climate chaos,' scientists warn.
www.latimes.com

williamripple.bsky.social
Prof William Ripple @williamripple.bsky.social · 22d
Defaunation. . . . www.theguardian.com/environment/...
World’s landscapes may soon be ‘devoid of wild animals’, says nature photographer
Margot Raggett, whose latest compilation shows animals scrubbed from natural habitats, calls for rethink on UK accelerated housebuilding
www.theguardian.com

williamripple.bsky.social
Prof William Ripple @williamripple.bsky.social · 22d
Crazy weather. . . .

williamripple.bsky.social
Prof William Ripple @williamripple.bsky.social · 26d
Our carbon capture plan. . .

williamripple.bsky.social
Prof William Ripple @williamripple.bsky.social · Oct 10
Pondering the planet. . .

williamripple.bsky.social
Prof William Ripple @williamripple.bsky.social · Oct 6
Care for some carbon credits?

williamripple.bsky.social
Prof William Ripple @williamripple.bsky.social · Oct 6
This is key for planetary and personal health: www.theguardian.com/environment/...
‘Planetary health diet’ could save 40,000 deaths a day, landmark report finds
Diet allows modest meat consumption and would also slash food-related climate emissions by half, says report by 70 leading experts from 35 countries
www.theguardian.com

Reposted by Thomas Piketty, Branko Milanovic, Markus K. Brunnermeier , and 69 more

Reposted by Michael E. Mann

williamripple.bsky.social
Prof William Ripple @williamripple.bsky.social · Sep 2
Thanks to @andrewdessler.com for leading our group of 85 scientists to denounce the Trump administration's climate report which is packed full of misinformation. @michaelemann.bsky.social www.nytimes.com/2025/09/02/c...
Scientists Denounce Trump Administration’s Climate Report
www.nytimes.com