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Machine-made snow at the Winter Olympics makes ski racing riskier

Warming winters and inconsistent snowfall push athletes and events toward reliance on machine-made snow, altering training, safety, and competition conditions.

fromLos Angeles Times

1 month ago

Halfway through winter, heat is melting the California snowpack

An extraordinarily warm and mostly sunny January has left the snowpack across California's Sierra Nevada far smaller than usual - 59% of average for this time of year, state water officials announced Friday as they held the season's second snow survey. "We are now about halfway through the typically wettest part of the year," said Andy Reising, manager of snow surveys for the California Department of Water Resources.

Environment

fromwww.theguardian.com

2 months ago

We can safely experiment on reflecting sunlight away from Earth. Here's how | Dakota Gruener and Daniele Visioni

Research into stratospheric aerosol injection is necessary to determine whether carefully governed solar-reflecting interventions could safely and effectively reduce global warming alongside emissions cuts.

Science

fromwww.scientificamerican.com

4 months ago

The Blue Marble Is Losing Its Glow

Earth's overall albedo has declined for decades, with the Northern Hemisphere darkening more than the Southern, risking enhanced regional warming and altered weather patterns.

Science

fromState of the Planet

6 months ago

Study Finds We'll Lose Almost 40 Percent of Our Glacial Ice

Models indicate substantial committed glacier ice loss from past warming and show additional glacier loss increases with each degree of future global warming.