Climate change shock: Burning fossil fuels COOLS planet, says NASA | UK | News | Daily Express - FACTOIDS
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Climate change shock: Burning fossil fuels COOLS planet, says NASA | UK | News | Daily Express

 

BURNING fossil fuels and cutting down trees causes global COOLING, a shock new NASA study has found.

Jon Austin PUBLISHED: 13:07, Mon, Dec 21, 2015

 

Fossil fuel burning gives of aerosols which reflect sunlight

Fossil fuel burning gives of aerosols which reflect sunlight

Major theories about what causes temperatures to rise have been thrown into doubt after NASA found the Earth has cooled in areas of heavy industrialisation where more trees have been lost and more fossil fuel burning takes place.

Environmentalists have long argued the burning of fossil fuels in power stations and for other uses is responsible for global warming and predicted temperature increases because of the high levels of carbon dioxide produced - which causes the global greenhouse effect.

While the findings did not dispute the effects of carbon dioxide on global warming, they found aerosols - also given off by burning fossil fuels - actually cool the local environment, at least temporarily.

The research was carried out to see if current climate change models for calculating future temperatures were taking into account all factors and were accurate.

A NASA spokesman said: "To quantify climate change, researchers need to know the Transient Climate Response (TCR) and Equilibrium Climate Sensitivity (ECS) of Earth. 

On December 7, NASA’s Aqua satellite captured this image of eastern China being inundated by thick smogNASA

On December 7, NASA’s Aqua satellite captured this image of eastern China being inundated by smog

"Both values are projected global mean surface temperature changes in response to doubled atmospheric carbon dioxide concentrations but on different timescales.

"TCR is characteristic of short-term predictions, up to a century out, while ECS looks centuries further into the future, when the entire climate system has reached equilibrium and temperatures have stabilised." 

The spokesman said it was "well known" that aerosols such as those emitted in volcanic eruptions and power stations, act to cool Earth, at least temporarily, by reflecting solar radiation away from the planet. 

He added: "In a similar fashion, land use changes such as deforestation in northern latitudes result in bare land that increases reflected sunlight."

Kate Marvel, a climatologist at GISS and the paper’s lead author, said the results showed the "complexity" of estimating future global temperatures.

She said: “Take sulfate aerosols, which are created from burning fossil fuels and contribute to atmospheric cooling.

“They are more or less confined to the northern hemisphere, where most of us live and emit pollution. 

 

 

 

 

 

 

 

 

 

 

NASA found a net cooling in the northern hemisphere due to industrial activity

NASA found a net cooling in the northern hemisphere due to industrial activity

 

 

 

 

 

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