Fire Earth

Earth is fighting to stay alive – mass dieoffs, triggered by anthropogenic assault and fallout of planetary defense systems offsetting the impact, could begin in 2016

GHG Concentrations Hit Yet Another Record

Posted by feww on November 9, 2015

Submitted by a reader

Warming amplified by interaction between CO2 and water vapor: WMO

The concentration of greenhouse gases (GHGs) in the atmosphere continue to set new records.

A 36% increase in radiative forcing due to long-lived greenhouse gases including carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) from industrial, agricultural and domestic activities, has affected the climate in the past 25 years, according to WMO’s Greenhouse Gas Bulletin.

The WMO report also highlights the interaction and amplification effect between rising levels of CO2  and water vapour, which is itself a major greenhouse gas, albeit short-lived. Warmer air holds more moisture and so increased surface temperatures caused by CO2 would lead to a rise in global water vapour levels, further adding to the enhanced greenhouse effect.  Further increases in CO2 concentrations will lead to disproportionately high increases in thermal energy and warming from water vapour.

“Every year we report a new record in greenhouse gas concentrations,” said WMO Secretary-General.  “Every year we say that time is running out. We have to act NOW to slash greenhouse gas emissions if we are to have a chance to keep the increase in temperatures to manageable levels.”

[“Manageable levels of temperature?” Is this crotch science or the more scientific “argument of the pubic hair?”]

Atmospheric concentrations of CO2 reached 397.7 parts per million (ppm) in 2014.  “In the Northern hemisphere CO2 concentrations crossed the symbolically significant 400 ppm level in 2014 spring, when CO2 is most abundant.  In spring 2015, the global average concentration of CO2 crossed the 400 ppm barrier.”

Caught in a massive positive feedback loop, Earth’s surface is heating up rapidly. The excess energy trapped by atmospheric GHGs is resulting in increasing levels of water vapor, which in turn generates even more heat.

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