Life on Earth: why we may have the Moon's now defunct magnetic field to thank for it

The Earth's magnetic field was most likely weaker when life evolved on our planet than it is today.

Jon Mound, Associate Professor of Geophysics, University of Leeds • conversation
Oct. 15, 2020 ~5 min

evolution atmosphere moon earth sun magnetism magnetic-fields life-on-earth solar-winds

Remembering Mario Molina, Nobel Prize-winning chemist who pushed Mexico on clean energy -- and, recently, face masks

Molina, who died on Oct. 8, 'thought climate change was the biggest problem in the world long before most people did.' His research on man-made depletion of the ozone layer won the 1995 Nobel Prize.

Elena Delavega, Associate Professor of Social Work, University of Memphis • conversation
Oct. 10, 2020 ~6 min

 nobel-prize  climate-change  fossil-fuels  atmospheric-science  face-masks  wind-energy  green-jobs  mexico  ozone-layer  clean-energy  nobel-prize-in-chemistry  montreal-protocol  clean-air

What makes hurricanes stall, and why is that so hard to forecast?

Hurricane stalling has become common over the past half-century, and their average forward speed has also slowed.

Kimberly Wood, Assistant Professor of Meteorology, Mississippi State University • conversation
Sept. 24, 2020 ~6 min

climate-change atmosphere flooding hurricanes meteorology weather tropical-cyclones

What makes hurricanes stall, and why is it so hard to forecast?

Hurricane stalling has become common over the past half-century, and their average forward speed has also slowed.

Kimberly Wood, Assistant Professor of Meteorology, Mississippi State University • conversation
Sept. 24, 2020 ~6 min

climate-change atmosphere flooding hurricanes meteorology weather tropical-cyclones

Why do some hurricanes stall, and why is that so hard to forecast?

Hurricane stalling has become common over the past half-century, and their average forward speed has also slowed.

Kimberly Wood, Assistant Professor of Meteorology, Mississippi State University • conversation
Sept. 24, 2020 ~6 min

climate-change atmosphere flooding hurricanes meteorology weather tropical-cyclones

How can smoke from West Coast fires cause red sunsets in New York?

Last week, much of the Midwest and eastern US experienced hazy skies and red sunsets. The cause was smoke transported from the Western US by the jet stream and spread as far as Boston and even Europe.

Jeffrey B. Halverson, Professor of Geography & Environmental Systems, Associate Dean of the Graduate School, University of Maryland, Baltimore County • conversation
Sept. 22, 2020 ~4 min

atmosphere pollution wildfires smoke sun fire jet-stream fire-season

Why clouds are the missing piece in the climate change puzzle

Clouds can act as both blanket and parasol – warming our atmosphere at the same time as cooling it. But which effect will dominate?

Ric Williams, Professor of Ocean Sciences, University of Liverpool • conversation
Sept. 11, 2020 ~7 min

climate-change atmosphere global-warming climate-models climate-science clouds climatology 15-degrees albedo

Video: How ancient ice cores show ‘black swan’ events in history – even pandemics

Ice cores can preserve evidence of 'black swan' events like pandemics and droughts, but the glaciers from which they are collected are disappearing.

Ellen Mosley-Thompson, Distinguished University Professor, Geography (Atmospheric Sciences), Senior Research Scientist, The Ohio State University • conversation
Sept. 3, 2020 ~8 min

geology climate-change atmospheric-science glaciers ice-cores paleoclimatology glaciology

Hurricane Laura was the latest storm to strengthen fast, but is rapid intensification really becoming more common?

Laura went from a tropical storm to a major hurricane in less than 24 hours, sending coastal residents scrambling to prepare. Hurricanes Harvey and Michael exploded in strength in similar ways.

Chris Slocum, Physical Scientist, NOAA and Cooperative Institute for Research in the Atmosphere, Colorado State University • conversation
Aug. 28, 2020 ~6 min

climate-change hurricanes sea-surface-temperatures meteorology natural-disasters atmospheric-science oceans wind

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