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Wednesday, 22 June 2016

66 Million Years Record Set For Carbon Emissions

CLIMATE NEWS



Carbon emission release rate ‘unprecedented’ in past 66m years

Researchers calculate that humans are pumping out carbon 10 times faster than at any point since the extinction of the dinosaurs

Humanity is pumping climate-warming carbon dioxide into the atmosphere 10 times faster than at any point in the past 66m years, according to new research.
The revelation shows the world has entered “uncharted territory” and that the consequences for life on land and in the oceans may be more severe than at any time since the extinction of the dinosaurs.
It comes as the World Meteorological Organisation released its Status of the Climate Report detailing a string of weather and climate records that were broken in 2015.
“The future is happening now,” said WMO secretary-general Petteri Taalas in a statement released alongside the report. “The alarming rate of change we are now witnessing in our climate as a result of greenhouse gas emission is unprecedented in modern records.”
Scientists have already warned that unchecked global warming will inflict“severe, widespread, and irreversible impacts” on people and the natural world.


Methane measurements around Greenland and the Laptev Sea

Annual measurements. Especially intense along the north Siberian coast. First image 2009-2013. Second image map of one of the methane sources along the Laptev Sea. In the third image spikes of methane jump into levels not registered in human history.

Dr. Leonid Yurgonov uses the AIRS/AQUA satellite sensor to provide a record of Arctic methane overburden from 2009-2013. The general trend  is quite clear.



The Arctic Sea Ice is Breaking Up North of Greenland in June

1-3 mile wide cracks appear in the sea ice north of Greenland in this NASA satellite shot on June 19 of 2016. For reference, bottom edge of frame is 400 miles.

Compare this figure with earlier decadic growth rates

2005 – 2014   2.11 ppm per year
1995 – 2004   1.87 ppm per year
1985 – 1994   1.42 ppm per year
1975 – 1984   1.44 ppm per year
1965 – 1974   1.06 ppm per year
1959 – 1964   0.73 ppm per year

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