New research shows that permafrost contains huge amounts of particles that make it easier for cloud moisture to freeze. Thawing permafrost is releasing these ice-nucleating particles.
Jan. 28, 2021 • ~6 min
Food farmed in tropical and Mediterranean climates comes at a higher cost to biodiversity than that grown elsewhere.
Jan. 26, 2021 • ~7 min
Trees may be more resilient to future dry spells than scientists first thought.
Jan. 18, 2021 • ~6 min
The Marshall Islands could be wiped out by climate change – and their colonial history limits their ability to save themselves
Climate change is a true existential threat for small island nations, but the US has done little to help the Marshall Islands, which it administered for decades.
Dec. 11, 2020 • ~10 min
Wildfires force thousands to evacuate near Los Angeles: Here's how the 2020 Western fire season got so extreme
The 2020 wildfire season has shattered records across the West. It's a trend that's headed in a dangerous direction.
Oct. 27, 2020 • ~8 min
A massive Saharan dust plume is moving into the southeast US, bringing technicolor sunsets and suppressing tropical storms
From June through October, it's not unusual for huge Saharan dust plumes to blow across the Atlantic. They can darken skies but also bring calmer weather and electric sunsets. Here's how they form.
June 25, 2020 • ~7 min
Yellow fever, malaria and Ebola all spilled over from animals to humans at the edges of tropical forests. The new coronavirus is the latest zoonosis.
June 25, 2020 • ~11 min
Climate models have been overestimating how much sunlight hits the Southern Ocean. This is because the clouds there are different from clouds anywhere else. Bacterial DNA helped us understand why.
June 19, 2020 • ~9 min
'Wet-bulb' temperature records show that deadly thresholds for heat and humidity are arriving faster than anticipated.
May 20, 2020 • ~7 min
In a rapidly warming world, temperature increases are a challenge to mental well-being. A group of economists quantified the relationship.
March 25, 2020 • ~4 min