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The Upper Atmosphere Is Cooling, Prompting New Climate Concerns

Yale E360

A new study reaffirming that global climate change is human-made also found the upper atmosphere is cooling dramatically because of rising CO2 levels. Scientists are worried about the effect this cooling could have on orbiting satellites, the ozone layer, and Earth’s weather. Read more on E360 →

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CMIP6: Not-so-sudden stratospheric cooling

Real Climate

As predicted in 1967 by Manabe and Wetherald , the stratosphere has been cooling. The dominant factors are changes in CO2 (a cooling), ozone depletion (a cooling), warming from big volcanoes, and oscillations related to the solar cycle. So the net effect is less absorption and more emittence, and thus they give a cooling.

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The upper atmosphere is cooling, prompting new climate concerns

Environmental News Bits

A new study reaffirming that global climate change is human-made also found the upper atmosphere is cooling dramatically because of rising CO2 levels. Scientists are worried about the effect this cooling could have on orbiting satellites, the ozone layer, and Earth’s weather. Read the full story from e360.

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Climate Change Threatens Already Poor Air Quality in California’s Central Valley

Union of Concerned Scientists

Bakersfield, Fresno, and Visalia are consistently ranked as cities with the worst particulate and ozone pollution , according to the American Lung Association. and ozone concentrations highlighting air quality issues in the Central Valley. Annual average PM2.5 Graphics from CalEnviroScreen 4.0

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EPA's GreenChill Program Recognizes Environmentally Friendly Refrigerant Management In Supermarket Industry, Including Weis Markets, The Giant Company, ALDI In PA

PA Environment Daily

Environmental Protection Agency’s GreenChill Program recognized 12 food retail companies and one manufacturer of advanced refrigeration systems for their exceptional achievements to reduce the use of ozone-depleting substances and/or climate-damaging refrigerants.

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Some new CMIP6 MSU comparisons

Real Climate

This ensemble samples model structural variability (vertical resolution, model top, interactive composition) and some aspects of forcing uncertainty (notably for aerosols and ozone), as well as the initial-condition (‘weather’) variability we are used to seeing. As above, the GISS ensemble diverges slightly from the observations.

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This Climate Debate is a lot of Hot Air

Legal Planet

We’ve been hearing a lot lately about geoengineering – the various scientific theories and governance ideas that could eventually lead to technological interventions to help cool the planet. To suggest that those who support the idea of geoengineering research think that deploying it is a good idea is a straw man argument.