Among the next big things — climate change legislation looms large.
Despite right-wingers' igloo jokes, more snow is actually more proof of global warming.
From right to left, players on all sides of the legislative and political battlefield are trying to move the debate their way.
Whole Foods CEO John Mackey seems to be getting a lot of press recently.
Was the conference a bust, a success, a waste of time, or something else?
Sarah Palin, climate change "skeptics," Al Gore and an island nation that may disappear under the sea - all are weighing in as world leaders debate what to do about global warming.
As winter weather hits, many people confuse the current weather (cold) with the long-term direction of the climate (warmer).
There is substantial symbolism in this week's visit of Indian Prime Minister Manmohan Singh to the United States.
The discussion - if one can call it that - of global warming is going to be painful, particularly if the make-Obama-fail crowd has its way.
Greenhouse gases can be both a curse and a blessing. Too little in the atmosphere leads to the cooling of the earth, too much to its heating up. If the atmosphere were free of greenhouse gases, the average temperature of the earth would be approximately zero degrees Fahrenheit (a new ice age), instead of the present 57 degrees.