State of the climate: Summer 2021 sets new high for average land temperature

The year so far has been one of extremes, featuring record-shattering heatwaves, wildfires and flooding, as well as the warmest-ever meteorological summer – June, July and August – in the global land-surface record.  As a whole, the world is on track to have its fifth to seventh warmest year on record – depending on the dataset […]

Analysis: What the new IPCC report says about when world may pass 1.5C and 2C

The Intergovernmental Panel on Climate Change’s (IPCC) sixth assessment report (AR6) is the first major IPCC review to specifically focus on when the world might pass the 1.5C and 2C warming levels.  AR6 uses a combination of historical observations, climate models and an updated estimate of climate sensitivity to provide a best-estimate that the world […]

State of the climate: 2021 off to cooler start due to fading La Niña

After a record-tying warm year in 2020, the world is on track for a cooler year in 2021, driven by moderately strong La Niña conditions in the late part of 2020 and early 2021.  However, 2021 will almost certainly be one of the Top 10 warmest years since records began in the mid-1800s. Despite cooler […]

Explainer: Will global warming ‘stop’ as soon as net-zero emissions are reached?

Media reports frequently claim that the world is facing “committed warming” in the future as a result of past emissions, meaning higher temperatures are “locked in”, “in the pipeline” or “inevitable”, regardless of the choices society takes today. The best available evidence shows that, on the contrary, warming is likely to more or less stop […]