And unless we do something to rein in CO 2 emissions, this will happen at the same time that humans are pumping ever more CO 2 into the sky. As that happens, more and more CO 2 will be trapped in the atmosphere, where it contributes to global warming. Oceans can’t absorb CO 2 indefinitely, and eventually they’ll reach their limit. The amount of CO 2 absorbed by the oceans is cyclical in the medium term, which probably helps explain why global temperatures periodically stabilize for a decade or so before resuming their usual upward march. One is obvious: Humans continue to emit more and more carbon-dioxide from power plants, cars, and factories each year.īut the other reason is a bit more surprising: According to the WMO, early data suggests that the world’s oceans and forests are now absorbing less of our extra carbon-dioxide than they used to - which means that more of it ends up in the atmosphere, where it traps heat and warms up the planet. There are two possible reasons why the amount of carbon-dioxide in the atmosphere is growing so rapidly. They also announced that the growth rate of CO 2 reached its highest point ever. The World Meteorological Organization announced today that global levels of carbon dioxide reached their highest point ever in 2013.
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