carbon dioxide

(Newser) - Planting trees to offset your carbon footprint not only won't slow global warming, it may worsen its effects, a new study claims. Trees growing outside a small band of tropical zones don't cut the amount of greenhouse gases in the atmosphere by enough to offset the heat their foliage traps,...

(Newser) - The obligation of people who live in countries that contribute the most to climate change--the developed nations— to those who will suffer most from it —the poor ones—is the subject of a provocative piece in the New York Times.

(Newser) - Carbon dioxide must be regulated by the federal government unless it can provide a scientific reason not to, the Supreme Court ruled Monday. The 5-4 decision, which ordered the EPA to consider CO₂ an "air pollutant" as defined by the Clean Air Act, was a blow to the Bush...