Jun 24, 2013
Governments and businesses estimate a Social Cost of Carbon, the cost of damage caused by a ton of carbon emissions.
Apr 17, 2013
Reports over the past couple years have suggested sky-high U.S. carbon-dioxide emissions have been falling, but what about the global energy picture? A new report suggests its nothing to write home about.
Feb 22, 2013
The official news agency in China is reporting that the government will tax carbon emissions.
Jan 25, 2013
Europe has the largest market for carbon permits in the world. The idea is, the more a company has to pay for permits to pollute, the greater incentive it has to reduce pollution. But the economic slowdown has greatly reduced the cost of permits.
Nov 26, 2012
As the Kyoto Protocol nears its expiry, leaders from around the world will come together in for the United Nations yearly climate talks to discuss a new global deal to limit greenhouse gas emissions.
Nov 14, 2012
It's official: Companies must now purchase permits to emit excess levels of carbon dioxide and other greenhouse gases in the state of California.
Nov 14, 2012
Six years after enacting its own law to fight global warming, California conducts its first auction of carbon permits. Companies that give off large amounts of carbon dioxide will need permits to cover the emissions.
Oct 24, 2012
Global warming didn't get even a mention in the three presidential debates, but a new study says the U.S. is on track to meet its pledge to reduce emissions by one-sixth. A major reason: the power of federal regulation.
Oct 16, 2012
Today a 9th Circuit court in San Francisco hears arguments on the legality of California's, first in the nation, low carbon regulation for transport fuel. The case may determine whether California becomes the U.S. leader in climate litigation.
Sep 20, 2012
Shipping across the ice-free Arctic appears closer than ever. The new route will save fuel, but bring emissions and soot directly to the Arctic -- possibly accelerating the ice melt.