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A new study reaffirming that global climatechange 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 →
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. But why is the stratosphere increasingly chill? How well do the models do?
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. Take this recent CNN story titled “Supporters of a controversial climate solution say it could be key. Anyone can float a balloon.
The first climatechange presentation I saw was back in the 1970s when I was working for the National Weather Service. Murray Mitchell, was the top climate scientist for NWS. While that got the bulk of the publicity, Dr. Mitchell assured us that the warming of the climate would be the biggest problem in the future.
I followed with great interest the launch of the sixth assessment report Working Group 1 (The Physical Science Basis) from the Intergovernmental Panel on ClimateChange (IPCC) on August 9th. In addition, ozone depletion higher up in the stratosphere has caused a cooling high up in the atmosphere.
A new study reaffirming that global climatechange 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.
In the last few months he has given two interviews in which he goes into to detail about what he describes as a ‘missing element’ in climate science and what he imagines the consequences are for climatechange. Clauser however takes that number, removes 80 and 20 W/m 2 for atmospheric absorption by ozone (!!)
China is intent on using the Winter Olympics to showcase how they’re at the forefront of implementing low-carbon technologies and thereby tackling climatechange. Cooling ice rinks. Cooling ice rinks. This is replacing the traditional hydrofluorocarbons which have been found to damage the ozone layer.
The CPDW is thought to be affected by the shift in the westerly winds around Antarctica which have increased in recent decades due to a combination of greenhouse gas forcing and the polar ozone hole ( Miller et al, 2006 ). 2020) or Sadai et al. Until then, the most productive way to reduce uncertainties might just be to reduce emissions.
Mitigation – deep rapid cuts to worldwide emissions – is the first, essential element of effective climate response. I don’t think there’s anyone thinking seriously about climatechange who disagrees with this. First, what the Earth system sees and what actually matters for climatechange is net emissions.
They might be learning about climatechange and all this doom-and-gloom stuff, just a wall of negative—true, but negative—information about the planet, and I don’t think it’s often accompanied by this sort of secondary, supplemental message that, actually, there are things we can do. We closed the hole in the ozone.
But since it became clear that human actions are damaging the environment and changing the climate, it has become much more prominent nationally and internationally with most government departments in most countries having responsibilities to mitigate or prepare for climatechange scenario. The Human Impacts on Climate.
California’s Central Valley consistently experiences the country’s worst air quality, and climatechange is poised to make air quality even worse. In a region known for its exceptional agricultural productivity, climatechange is quickly amplifying a dangerous type of climate risk in California’s Central Valley: air pollution.
And to zoom out a bit, burning fossil fuels is the primary contributor to global climatechange, which is driving and exacerbating the once-rare extreme weather events that are impacting people across every part of the country—and across the world. It must not respond by watering the protections down based on industry disinformation.
volume mixing ratio), together with a number of trace gases, such as argon (0.93% volume mixing ratio), helium, radiatively active greenhouse gases such as carbon dioxide (0.035% volume mixing ratio), and ozone. Climate in a wider sense is the state, including a statistical description, of the climate system. See, Weather.
21 For Pittsburgh Region -- PUC Stresses Ways To Stay Cool During Late-Summer Surge In Temperatures -- The Center Square: Solar Power Comes To University Of Pittsburgh Campus -- StateImpactPA - Rachel McDevitt: What Can One Person Do About ClimateChange?
Because methane contributes to ozone pollution, emissions cause immediate health effects as well as warming effects. Before we can take those steps, institutions and public attitudes will themselves have to adapt to the realities of climatechange. According to the U.N., “a
(Figure 1) These properties are a double-edged sword: while they are the root of the problems that black carbon causes, they also make mitigating black carbon one of the most actionable ways to fight climatechange. AMAP Assessment 2015: Black Carbon and Ozone as Arctic Climate Forcers.” Arctic Council. June 25, 2020.
report on how world can still stop climatechange. report on how world can still stop climatechange. BRUSSELS — The world can avoid the worst consequences of climatechange, but emissions need to peak by 2025, the U.N.’s s climate science panel said in a major new report on Monday. “We
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