Carbon [swindle] trades took a hit in the Great Recession | Grist

The value of greenhouse gas emissions credits traded on the voluntary markets plunged 47 percent in 2009 to $387.4 million, while the volume of greenhouse gas emissions traded fell 26 percent to 93.7 millions of tons of carbon dioxide equivalent (MtCO2e).

The Age of Heat: Stefan Rahmstorf

Many are lining up to oppose the science of global warming. But the laws of physics don't surrender to opposition: For the past 35 years, global warming has unfolded as predicted by science. It will most likely continue to do so until we stop it by cutting CO2 emissions.