Last Update: 04/05/2026 at 2:50 PM EST
Overshoot Risks Lock In Hothouse Warming
Coverage from The Independent, Euronews.com, and others
Articles
18
Latest Article
03/23
Active Days
339
Executive Summary
Scientists warn that overshooting 1.5 C could trigger tipping points, weaken carbon sinks, and lock in long-lasting warming and sea level rise
- Global temperatures have breached 1.5 C for a three-year period ending in 2025
- Researchers say weak emissions cuts and weaker carbon sinks are driving faster warming
- Ice sheet loss in Greenland and West Antarctica may already be near irreversible thresholds
- Permafrost thaw and Amazon dieback could release more greenhouse gases and amplify warming
- Coral reefs face mass loss as ocean heat and acidification intensify
- AMOC weakening could disrupt weather patterns and raise the risk of cascading tipping points
- Scientists say negative emissions and rapid mitigation are needed, but governance remains limited
Quick Facts
- What: Warning that 1.5 C overshoot may lock in hothouse warming
- Where: Globally, with focus on Greenland, Antarctica, Amazon, and oceans
- Why: Rising emissions and weakening sinks are pushing tipping points closer
- Who: Climate scientists, UN officials, and policymakers
- When: 2024 to 2026, with major warnings in 2025 and 2026
Coverage Timeline: 339 Days
Featured Article
Researchers warn tipping points and hothouse warming could unfold globally if emissions reductions stall.
Additional Articles
⭐⭐⭐⭐⭐
Researchers warn that tipping points may push global climate toward hothouse warming within this century.
On 11 February 2026, scientists led by Oregon State University ecologist William Ripple reported in One Earth that multiple Earth system tipping points are nearing destabilisation.
Researchers from PIK, Exeter and CICERO warn that overshooting 1.5C increases tipping point risk across Earth systems.
Scientists led by Oregon State University report in 2026 that multiple Earth system tipping elements are closer to destabilization, increasing hothouse trajectory risks globally.
Climate scientists in Europe and the United States report in 2024 that accelerating warming and linked tipping points may commit Earth to a hothouse trajectory.
Overshoot threats rise with emissions.
Earth scientists warn that runaway climate risk could lock in irreversible ice sheet loss and sea level rise within decades.
Climate researchers in Europe and elsewhere in 2024 highlight early-warning data on AMOC and Amazon tipping risks, urging rapid systemic mitigation measures worldwide.
At COP30 in Brazil, climate scientists and UN officials in 2025 warn that surpassing 1.5C warming risks triggering coral loss, ice-sheet collapse, and permafrost feedbacks.
Global climate researchers in Europe and the United States warn in 2025 that accelerating warming and tipping-point risks could render overshoot of 1.5 C effectively permanent.
⭐⭐⭐
Scientists debate global warming acceleration after a March 6 study, with ocean heat, glacier melt, and sea-level rise intensifying faster than expected as El Nino approaches.
Researchers warn this decade that accelerating warming and tipping point risks threaten global climate stability.
Scientists warn that rapid warming could trigger Atlantic circulation collapse and tipping points within decades, risking drought in the Southern Hemisphere and sea level rise on the US East Coast.
Scientific explanations of runaway greenhouse thresholds describe feedback-strength limits and radiative constraints, concluding Earth is not headed for a Venus-like state on human timescales.
Researchers report a 62% chance of triggering at least one major climate tipping point, including Greenland melt and permafrost thaw, based on probabilistic modeling published in 2025.
The World Meteorological Organization warned that Earths energy imbalance increased over 2005-2025, driving record ocean heat uptake and elevating warming risk during a forecast El Nino.
⭐️⭐️
Oregon State University researchers report accelerating warming and tipping point risk now, urging immediate climate action worldwide.