Greenhouse Gases: Who's Cheating?

As the world gets serious about fighting climate change, a huge question looms: Are countries and companies really reducing their greenhouse gas emissions as much as they claim? The answer is crucial not just for the planet, but for business. The tighter the limits on emissions, the higher the price companies have to pay to pollute

Tans and many other researchers worry that the answer is no. Typically, the emissions of a company or nation are calculated from the bottom up