"Human activity has disrupted the natural balance of greenhouse gases in the atmosphere and is causing climate change. Burning fossil fuels and deforestation result directly in about 9 gigatons of carbon (GtC) emissions per year against the backdrop of the natural carbon flux -- emission and...

"U.S. adoption of a cap-and-trade program for greenhouse gases could place some domestic producers at a disadvantage relative to international competitors who do not face similar regulation. To address this issue, proposed federal climate change legislation includes a provision that would freely...