Thawing permafrost is full of ice-forming particles that could get into atmosphere

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.

Thomas Hill, Research Scientist, Colorado State University • conversation
Jan. 28, 2021 ~6 min

Biodiversity: why foods grown in warm climates could be doing the most damage to wildlife

Food farmed in tropical and Mediterranean climates comes at a higher cost to biodiversity than that grown elsewhere.

Jessica J Williams, PhD Candidate in Conservation Science, UCL • conversation
Jan. 26, 2021 ~7 min

Forests go into growth 'overdrive' to recover from drought – new study

Trees may be more resilient to future dry spells than scientists first thought.

Alistair Jump, Professor of Plant Ecology, University of Stirling • conversation
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.

Caroline E. Ferguson, PhD candidate in Environment and Resources, Stanford University • conversation
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.

Mohammad Reza Alizadeh, Ph.D. Student, McGill University • conversation
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.

Scott Denning, Professor of Atmospheric Science, Colorado State University • conversation
June 25, 2020 ~7 min

How deforestation helps deadly viruses jump from animals to humans

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.

Maria Anice Mureb Sallum, Professor of Epidemiology, Universidade de São Paulo • conversation
June 25, 2020 ~11 min

We caught bacteria from the most pristine air on earth to help solve a climate modeling mystery

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.

Thomas Hill, Research Scientist, Colorado State University • conversation
June 19, 2020 ~9 min

Global warming now pushing heat into territory humans cannot tolerate

'Wet-bulb' temperature records show that deadly thresholds for heat and humidity are arriving faster than anticipated.

Colin Raymond, Postdoctoral Researcher, California Institute of Technology • conversation
May 20, 2020 ~7 min

Hotter weather brings more stress, depression and other mental health problems

In a rapidly warming world, temperature increases are a challenge to mental well-being. A group of economists quantified the relationship.

Travis Smith, Assistant Professor of Agricultural & Applied Economics, University of Georgia • conversation
March 25, 2020 ~4 min

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