Prof William Ripple
@williamripple.bsky.social
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
Director-Alliance of World Scientists
Co-Lead author "The 2024 State of the Climate Report" https://doi.org/10.1093/biosci/biae087
Pinned
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...
Concerned about the Point of No Return? Today we published a paper on the risk of a hothouse Earth trajectory. You can read it here: authors.elsevier.com/c/1mbW49C~Iu...
February 11, 2026 at 7:43 PM
Concerned about the Point of No Return? Today we published a paper on the risk of a hothouse Earth trajectory. You can read it here: authors.elsevier.com/c/1mbW49C~Iu...
In our Climate Report my coauthors and I say: We are hurtling toward climate chaos. The planet's vital signs are flashing red. 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...
The 2025 state of the climate report: a planet on the brink
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
doi.org
December 8, 2025 at 2:35 AM
In our Climate Report my coauthors and I say: We are hurtling toward climate chaos. The planet's vital signs are flashing red. 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...
SETTING: SOMETIME IN THE FUTURE: We were hurtling towards climate chaos which ended up really hurting the economy. More info here: doi.org/10.1093/bios...
November 27, 2025 at 10:02 PM
SETTING: SOMETIME IN THE FUTURE: We were hurtling towards climate chaos which ended up really hurting the economy. More info here: doi.org/10.1093/bios...
In our Climate Report my coauthors and I say: We are hurtling toward climate chaos. The planet's vital signs are flashing red. 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...
The 2025 state of the climate report: a planet on the brink
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
doi.org
November 22, 2025 at 11:10 PM
In our Climate Report my coauthors and I say: We are hurtling toward climate chaos. The planet's vital signs are flashing red. 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...
We recently 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...
November 20, 2025 at 4:16 AM
We recently 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...
You might turn off the tap and also read our new 2025 State of the Climate Report here where we wrote "We are hurtling toward climate chaos. The planet's vital signs are flashing red" doi.org/10.1093/bios...
November 16, 2025 at 8:41 PM
You might turn off the tap and also read our new 2025 State of the Climate Report here where we wrote "We are hurtling toward climate chaos. The planet's vital signs are flashing red" doi.org/10.1093/bios...
And we warned them with our new 2025 State of the Climate Report which you can check out here: doi.org/10.1093/bios...
November 14, 2025 at 7:31 AM
And we warned them with our new 2025 State of the Climate Report which you can check out here: doi.org/10.1093/bios...
See our new dire new warning about the state of the planet
doi.org/10.1093/bios... | grist.org/climate/scie...
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
November 11, 2025 at 2:32 AM
See our new dire new warning about the state of the planet
doi.org/10.1093/bios... | grist.org/climate/scie...
doi.org/10.1093/bios... | grist.org/climate/scie...
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
November 9, 2025 at 3:42 PM
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...
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...
November 9, 2025 at 2:17 PM
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...
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...
November 8, 2025 at 12:44 AM
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...
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...
November 2, 2025 at 5:13 PM
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...
Reposted by Prof William Ripple
🚨 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
🌡️ 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
October 31, 2025 at 8:00 PM
🚨 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
🌡️ 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 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
October 29, 2025 at 7:30 PM
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
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.
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...
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
October 29, 2025 at 3:46 PM
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.
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
October 20, 2025 at 3:33 AM
Defaunation. . . . www.theguardian.com/environment/...
Crazy weather. . . .
October 19, 2025 at 2:21 PM
Crazy weather. . . .
Our carbon capture plan. . .
October 16, 2025 at 2:59 AM
Our carbon capture plan. . .
Pondering the planet. . .
October 10, 2025 at 3:48 AM
Pondering the planet. . .
Care for some carbon credits?
October 6, 2025 at 2:34 PM
Care for some carbon credits?
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
October 6, 2025 at 3:37 AM
This is key for planetary and personal health: www.theguardian.com/environment/...
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
September 2, 2025 at 11:40 PM
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...
I am pleased to be on the science team that wrote a very long response to to the Administration's DOE climate report which is full of errors. Thanks to @andrewdessler.com for leadership on our effort. See NPR story about our work: www.npr.org/2025/09/02/n...
September 2, 2025 at 11:33 PM
I am pleased to be on the science team that wrote a very long response to to the Administration's DOE climate report which is full of errors. Thanks to @andrewdessler.com for leadership on our effort. See NPR story about our work: www.npr.org/2025/09/02/n...
