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6 Search Results for carbon dioxide 400 ppm

World has already breached carbon emission threshold

World has already breached carbon emission threshold

Even as nations commit to reduce carbon emissions, global carbon dioxide levels have gone past the safe limit of 350 parts per million and …

October 05, 2018
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We are living in a 400 ppm world, maybe permanently

We are living in a 400 ppm world, maybe permanently

The CO2 levels in earth's atmosphere have permanently crossed the dangerous 400 ppm mark

September 29, 2016
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Highest carbon concentration in atmosphere in 3 million years: WMO

Highest carbon concentration in atmosphere in 3 million years: WMO

The new WMO Greenhouse Gas Bulletin says CO2 concentration in atmosphere has breached all recent records

November 25, 2019
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World breached safe atmospheric CO2 levels 33 years ago

World breached safe atmospheric CO2 levels 33 years ago

Global consumption of fossil fuels, the primary source of CO2 emissions, has gone up by 78 per cent in last three decades

May 15, 2019
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Sea ice helped control atmospheric carbon around 14,500 yrs ago: Study

Sea ice helped control atmospheric carbon around 14,500 yrs ago: Study

Seasonal growth and destruction of sea ice enhanced the amount of marine life, which drew carbon from atmosphere, researchers found 

June 25, 2020
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Carbon dioxide crosses 400 ppm mark

Carbon dioxide crosses 400 ppm mark

Breach indicates sources of CO2 emissions in the US have gone up

September 17, 2015
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