

Global Temperature in 2025, 2026, 2027
Earth's temperature hit +1.47°C in 2025 (2nd warmest year). Hansen projects new record of +1.7°C in 2027, confirming accelerated warming at 0.31°C/decade.
4 min read


Multi-Century Global and Regional Sea-Level Rise Commitments from Cumulative Greenhouse Gas Emissions in the Coming Decades
Emissions until 2050 lock in 0.3 m more sea-level rise by 2300 than historical emissions, growing to 0.8 m by 2090—highlighting near-term mitigation's control over multi-century coastal fate.
6 min read


The Carbon Hoofprint of Cities is Shaped by Geography and Production in the Livestock Supply Chain
US cities’ meat emissions rival home energy use, driven by geography—not appetite—revealing big climate wins from diet and waste shifts.
9 min read


2025 Global Climate Highlights
2025 ranks third-warmest year at 1.47°C above pre-industrial levels, marking first three-year average exceeding 1.5°C as exceptional heat persists globally.
8 min read


Ocean Heat Content Sets Another Record in 2025
Earth's oceans hit record heat in 2025 for the 9th straight year, accelerating planetary warming and fueling extreme weather impacts worldwide.
3 min read


Southern Ocean freshening stalls deep ocean CO2 release in a changing climate
Southern Ocean freshening has strengthened stratification since the 1990s, trapping CO₂-rich deep waters 40m shallower below surface—temporarily buffering carbon sink weakening.
7 min read


Critical Intervention Points for European Adaptation to Cascading Climate Change Impacts
Climate impacts originating outside Europe cascade across borders through interconnected systems of water, agriculture, livelihoods, and conflict.
6 min read


Mountain glaciers recouple to atmospheric warming over the twenty-first century
Glaciers currently warm more slowly than their surroundings, but new research shows this cooling effect will collapse as glaciers shrink, triggering nonlinear feedbacks and accelerating melt after midcentury.
5 min read


Delayed formation of Arctic snow cover in response to wildland fires in a warming climate
A 2025 study reveals Arctic wildland fires now delay snow cover formation by over 5 days through surface darkening and warming effects.
4 min read


Rising Cost of Disturbances for European Forestry Under Climate Change
Climate-driven wildfires, pest outbreaks, and storms could double Europe's forestry losses from €115 billion to €247 billion under severe warming.
6 min read


The 2025 State of the Climate Report: A Planet on the Brink
With 22 of 34 planetary indicators at record levels and warming accelerating beyond model predictions, scientists warn the window to prevent catastrophic outcomes is rapidly closing.
7 min read


State of the Climate Update for COP30
WMO's 2025 climate update reveals record greenhouse gases, historic glacier loss, and accelerating ocean warming as extreme weather devastates communities globally.
7 min read


10 New Insights in Climate Science 2025/2026
A comprehensive 2025 synthesis of climate research reveals global warming may be accelerating beyond projections.
6 min read


Health Losses Attributed to Anthropogenic Climate Change
A 2025 study reveals climate change is now causing over 31,000 deaths annually based on rigorous attribution science, with economic losses exceeding $99 billion per year—yet research remains heavily biased toward wealthy nations.
4 min read


Physics‐Based Indicators for the Onset of an AMOC Collapse Under Climate Change
New physics-based warning signal derived from surface ocean measurements successfully predicts AMOC tipping across multiple climate models.
4 min read


Shutdown of northern Atlantic overturning after 2100 following deep mixing collapse in CMIP6 projections
Deep convection collapse in northern Atlantic precedes circulation shutdown in 70% of high-emission scenarios—reducing ocean heat transport to 20-40% of current levels and potentially triggering severe European cooling.
4 min read


Unexpected decline in the ocean carbon sink under record-high sea surface temperatures in 2023
Ocean absorbed 10% less CO₂ than expected in 2023 despite El Niño conditions that typically strengthen the sink—revealing unprecedented extratropical warming effects that overwhelmed tropical patterns.
4 min read


Planetary Boundaries: Health Check 2025
Planetary Health Check 2025 finds 7 of 9 boundaries breached—ocean acidification crossed for first time, warning of rising tipping-point risks.
3 min read


Tropical deforestation is associated with considerable heat-related mortality
Deforestation-induced warming exposes 345 million people to dangerous heat levels, causing significant mortality burden across tropics—with Southeast Asia bearing the highest per-capita death rates from forest loss.
4 min read


The public’s views on climate policies in seven large global south countries
Scientists emerge as most trusted climate information source across Global South, but climate action drops in priority when policy trade-offs are introduced.
4 min read