Earlier this year, McCain and Joseph Lieberman sponsored a bipartisan bill calling for cuts in greenhouse gas emissions. |
That is why 180 nations assembled in The Hague in November to try and agree a set of tools for cutting greenhouse gas emissions. |
So a switch to coal would increase the greenhouse gas effect of fossil fuel usage. |
Energy efficiency reduces pollution and greenhouse gas emissions, primarily at the power plant. |
The stratosphere is rich in ozone, a greenhouse gas that filters out dangerous solar particles such as ultraviolet light. |
Instead it plans to purchase quotas of greenhouse gas emission from poorer and less industrialized countries. |