The risk of a hothouse Earth trajectory

William J. Ripple; Christopher Wolf; Johan Rockström; Katherine Richardson; Nico Wunderling; Jillian W. Gregg; Thomas Westerhold; Hans Joachim Schellnhuber

doi:10.1016/j.oneear.2025.101565

The risk of a hothouse Earth trajectory

William J. Ripple, Christopher Wolf^*, Johan Rockström, Katherine Richardson, Nico Wunderling, Jillian W. Gregg , Thomas Westerhold , Hans Joachim Schellnhuber

^*Corresponding author for this work

Section for Macroecology, Evolution and Climate

Research output: Contribution to journal › Comment/debate › Research › peer-review

Abstract

Earth’s climate is now departing from the stable conditions that supported human civilization for millennia. Crossing critical temperature thresholds may trigger self-reinforcing feedbacks and tipping dynamics that tem components. Uncertain tipping thresholds make precaution essential, as crossing them could commit the planet to a hothouse trajectory with long-lasting and potentially irreversible consequences.

Original language	English
Article number	101565
Journal	One Earth
Volume	9
Issue number	2
Number of pages	6
ISSN	2590-3330
DOIs	https://doi.org/10.1016/j.oneear.2025.101565
Publication status	Published - 2026

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Cite this

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title = "The risk of a hothouse Earth trajectory",

abstract = "Earth{\textquoteright}s climate is now departing from the stable conditions that supported human civilization for millennia. Crossing critical temperature thresholds may trigger self-reinforcing feedbacks and tipping dynamics that tem components. Uncertain tipping thresholds make precaution essential, as crossing them could commit the planet to a hothouse trajectory with long-lasting and potentially irreversible consequences.",

author = "Ripple, {William J.} and Christopher Wolf and Johan Rockstr{\"o}m and Katherine Richardson and Nico Wunderling and Gregg, {Jillian W.} and Thomas Westerhold and Schellnhuber, {Hans Joachim}",

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T1 - The risk of a hothouse Earth trajectory

AU - Ripple, William J.

AU - Wolf, Christopher

AU - Rockström, Johan

AU - Richardson, Katherine

AU - Wunderling, Nico

AU - Gregg , Jillian W.

AU - Westerhold , Thomas

AU - Schellnhuber, Hans Joachim

PY - 2026

Y1 - 2026

N2 - Earth’s climate is now departing from the stable conditions that supported human civilization for millennia. Crossing critical temperature thresholds may trigger self-reinforcing feedbacks and tipping dynamics that tem components. Uncertain tipping thresholds make precaution essential, as crossing them could commit the planet to a hothouse trajectory with long-lasting and potentially irreversible consequences.

AB - Earth’s climate is now departing from the stable conditions that supported human civilization for millennia. Crossing critical temperature thresholds may trigger self-reinforcing feedbacks and tipping dynamics that tem components. Uncertain tipping thresholds make precaution essential, as crossing them could commit the planet to a hothouse trajectory with long-lasting and potentially irreversible consequences.

U2 - 10.1016/j.oneear.2025.101565

DO - 10.1016/j.oneear.2025.101565

M3 - Comment/debate

SN - 2590-3330

VL - 9

JO - One Earth

JF - One Earth

IS - 2

M1 - 101565

ER -