Carbon Dioxide Cooling Greenhouse Radiation 
Real Climate
NOVEMBER 29, 2023
It is 33 years now since the IPCC in its first report in 1990 concluded that it is “certain” that greenhouse gas emissions from human activities “will enhance the greenhouse effect, resulting on average in an additional warming of the Earth’s surface.” It’s not hard to understand. Gray areas show lack of data.
Greenbuilding Law
JUNE 5, 2022
With proposed federal regulation of greenhouse gas emissions by the Securities and Exchange Commission requiring GHG disclosure and new state statutes, including a new Maryland law that requires not only disclosure, but also a mandated reduction in GHG emissions, a greater appreciation of the subject of GHG appears in order.
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Real Climate
JULY 10, 2022
Step 1: There is a natural greenhouse effect. This means that there is an upward surface flux of IR around (~398 W/m 2 ), while the outward flux at the top of the atmosphere (TOA) is roughly equivalent to the net solar radiation absorbed (~240 W/m 2 ). Step 2: Trace gases contribute to the natural greenhouse effect.
A Greener Life
JUNE 3, 2022
Picture how a radiator heats a home. Water is heated by a boiler, and the hot water circulates through pipes and radiators in the house. The radiators warm up and heat the air in the room. The radiators are, in fact, cooling down, but their stored heat is still warming the air in the room.
Real Climate
OCTOBER 12, 2021
What they showed are the distinct fingerprints of two kinds of forcing; increasing solar activity which warms all parts of the atmosphere, and carbon dioxide increases which warm the surface and troposphere, but cool the stratosphere and above. But let’s go back to the beginning. Hegerl et al., 1996 ; Hegerl et al.,
Real Climate
AUGUST 9, 2021
There are other things that will get the headlines (the expected time before we get to 1.5ºC or 2ºC, the headline SLR numbers, the ‘unprecedented rate’ statement, constraints on climate sensitivity , carbon cycle feedbacks, the implications for the carbon budgets etc.), 1981) which can be seen here. 1, SPM, AR5.
Legal Planet
NOVEMBER 8, 2021
Methane is essential to control, since stabilizing climate requires reducing all anthropogenic greenhouse-gas emissions to net-zero. The issue is that total human radiative forcing includes several parts that heat and some that cool, so counting separate heating contributions like this leaving out the cooling parts gives too much heating.).
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