In the thick of Canadian wildfires

Scenes of smoke-blanketed Northeast likely to repeat, one expert says. Another offers advice for reducing harm to health.

Alvin Powell • harvard
June 12, 2023 ~6 min

Megadrought has ponderosa pines at the ‘end of their rope’

As temperatures increase and prolonged drought continues, a new study of ponderosa pine forests underscores the importance of summer monsoons.

Rose Brandt-Arizona • futurity
June 9, 2023 ~7 min


El Niño is back – that's good news or bad news, depending on where you live

The official forecast calls for a strong El Niño by winter, but other models suggest it might dip in and out. An atmospheric scientist explains.

Bob Leamon, Associate Research Scientist, University of Maryland, Baltimore County • conversation
June 9, 2023 ~8 min

Colorado River states bought time with a 3-year water conservation deal – now they need to think bigger

Southwest states have bought time with an agreement between California, Arizona and Nevada to cut Colorado River water use by about 14%. Now comes the hard part.

Robert Glennon, Regents Professor Emeritus and Morris K. Udall Professor of Law & Public Policy Emeritus, University of Arizona • conversation
May 26, 2023 ~8 min

Farmers face a soaring risk of flash droughts in every major food-growing region in coming decades, new research shows

If greenhouse gas emissions continue at a high rate, breadbaskets of Europe and North America will see a 50% chance of a flash drought each year by the end of this century.

Jordan Christian, Postdoctoral Researcher in Meteorology, University of Oklahoma • conversation
May 25, 2023 ~8 min

Drought recedes in Britain after a wet spring – but much of Europe is parched

March 2023 was the wettest for 40 years in England and Wales.

Hannah Cloke, Professor of Hydrology, University of Reading • conversation
May 12, 2023 ~6 min

Cloud seeding can increase rain and snow, and new techniques may make it a lot more effective – podcast

Cloud seeding – spraying materials into clouds to increase precipitation – has been around for nearly 80 years. But only recently have scientists been able to measure how effective it really is.

Nehal El-Hadi, Science + Technology Editor & Co-Host of The Conversation Weekly Podcast, The Conversation • conversation
May 4, 2023 ~7 min

Thirsty tomatoes emit ultrasonic sounds – and other plants may be listening

Just because you can’t hear plants doesn’t mean they are silent.

Stuart Thompson, Senior Lecturer in Plant Biochemistry, University of Westminster • conversation
May 3, 2023 ~7 min


Deadly heatwaves threaten to reverse India's progress on poverty and inequality – new research

Spring 2022’s record heat put most Indians at greater risk of a premature death.

Ronita Bardhan, Associate Professor of Sustainability in the Built Environment, University of Cambridge • conversation
April 28, 2023 ~8 min

Is the Western drought finally ending? That depends on where you look

Reservoirs and streams are in good shape in California and the Great Basin, but groundwater and ecosystems are another story. And then there’s the Colorado River Basin.

Dan McEvoy, Associate Research Professor in Climatology, Desert Research Institute • conversation
March 16, 2023 ~9 min

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