Science

Record surge in atmospheric carbon dioxide

Record surge in atmospheric carbon dioxideā€¯

Concentrations of carbon dioxide in the atmosphere surged at a record breaking speed previous year.

"The rate of increase of atmospheric carbon dioxide over the past 70 years is almost 100 times larger than that at the end of the last ice age".

"Globally averaged concentrations of Carbon dioxide reached 403.3 parts per million in 2016, up from 400.00 ppm in 2015 because of a combination of human activities and a strong El Nino event", it said, according to AFP reports.

"We have never seen so big growth in one year as we have been seeing last year in carbon dioxide concentration", said Mr. Taalas, telling journalists that it is time for governments to fulfil the pledges they made in Paris in 2015 to take steps to reduce global warming.

The implications of these new atmospheric measurements for the targets agreed under the Paris climate pact, are quite negative, according to environmental observers.

The UN weather agency's annual flagship report, the Greenhouse Gas Bulletin, keeps a track of the content of unsafe gases in the atmosphere in the post-industrial era (since 1750).

"The largest increase was in the previous El Nino, in 1997-898 and it was 2.7ppm and now it is 3.3ppm, it is also 50 per cent higher than the average of the last 10 years".

"The abrupt changes in the atmosphere witnessed in the past 70 years are without precedent", WMO said in a statement.

"We are actually moving in the wrong direction", Taalas said.

The concentration of carbon dioxide (CO2), the principal gas that drives global warming, in the atmosphere has hit a new high, the United Nations said on Monday, warning that a drastic action is needed to achieve targets set by the Paris climate agreement.

Nitrous oxide is the third most warming gas; it increased slightly less past year than over the last decade. "We are still emitting far too much and this needs to be reversed", said Erik Solheim, head of UN Environment Programme, commenting on the WMO report. Scientists say greenhouse gases are fueling climate change, and the impact is already being felt around the globe.



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