The Montreal Protocol has unintentionally slowed global warming and pushed back the first ice-free Arctic summer by 15 years, according to new research.
Climate Change
Posted inFeatures
Fixing the Flawed Colorado River Compact
The 1922 Colorado River Compact ignored available science and overallocated the river’s water, a decision whose effects reverberate today. Now there’s an opportunity to get things right.
Posted inEditors' Vox
Reducing Aerosol Climate-Forcing Uncertainty: A Three-Way Street
To reduce persistent aerosol-climate-forcing uncertainty, new in situ aerosol and cloud measurement programs are needed, plus much better integration of satellite and suborbital measurements with models.
Posted inNews
As Wildfires Grow, So Could Methane Emissions
Wildfires that wreaked havoc on California in 2020 filled the atmosphere with a potent greenhouse gas.
Posted inNews
Warming Waters Drive Some Mariners to Piracy
As fish production waxes and wanes with climate change, so too does the risk of maritime piracy in East Africa and the South China Sea.
Posted inEditors' Highlights
A 150-Day Periodicity is Revealed in the Southern Extratropics
An internally generated 150-day periodicity is newly identified in the Southern Hemisphere extratropical large-scale atmospheric circulation, which arises from the annular mode’s propagating regime.
Posted inOpinions
How Scientists Can Safeguard Themselves Online
Scientists are always at risk of digital harassment by bad actors looking to undermine scientific credibility and progress, but there are protective steps they can take.
Posted inNews
Flash Droughts Are Getting Flashier
Warming temperatures and less rain are causing flash droughts to develop more quickly and strike more often.
Posted inResearch Spotlights
Climate Change Is Drying Out Earth’s Soils
Earth’s land is drying as it warms, but it is not clear how dry is too dry.
Posted inOpinions
The Science We Need to Assess Marine Carbon Dioxide Removal
As companies begin selling credits for marine carbon dioxide removal in largely unregulated marketplaces, scientists must develop standards for assessing the effectiveness of removal methods.