FIRST AIRED: October 30, 2017

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00:00:01
>> The amount of carbon dioxide in the earth's atmosphere surged in 2016 to a level not seen in millions of years, the World Meteorological Organization said on Monday. And as Reuters Ben Hirschler explains, that could have potentially dire consequences.>> Were seeing carbon dioxide increase at a record rate.
00:00:19
And the last time we had comparable concentrations were three to five million years ago when temperatures were two to three degree higher and sea levels were 10 to 20 meters higher. So it's certainly a warning sign for the future.>> The WMO said atmospheric concentrations of CO2 had reached 403.3 parts per million, up from 400 in 2015.
00:00:41
That growth rate is 50% faster than the average over the past decade and boosted CO2 to 45% higher than pre-industrial levels.>> We have been warned but smoke still comes from many factory chimneys while from the open fires of houses, the evil pours in even greater volume.>> That warning still not being heeded, the WMO said, with human CO2 emissions from sources such as coal, oil, cement, and deforestation reaching a record in 2016.
00:01:08
And getting a further boost from the El Nino weather phenomenon.>> And that's led to more droughts, it also means that vegetation has been left able to absorb carbon dioxide from the atmosphere.>> The storms that recently devastated the Caribbean are an example of how the climate is changing, the WMO said.
00:01:27
I think that there is an urgent need to mitigate climate change.>> So far we haven't been ambitious enough.>> This data adding urgency to a meeting in Bonn next month when environment ministers from around the world will work on guidelines for the Paris Climate Accord. With Donald Trump having said he intends to pull out, that plan to limit the rise in global temperatures to well below 2 degrees Celsius above pre-industrial levels, remains up in the air.