Word: co2
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Dates: during 2000-2009
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...logged countless miles in the past four years, crisscrossing the planet to present his remarkably powerful slide show and the Oscar-winning documentary that's based on it, An Inconvenient Truth, to groups of every size and description. He flies commercial most of the time to use less CO2 and buys offsets to maintain a carbon-neutral life. In tandem with Hurricane Katrina and a rising chorus of warning from climate scientists, Gore's film helped trigger one of the most dramatic opinion shifts in history as Americans suddenly realized they must change the way they live. In a recent...
...planes available today,” but the inescapable laws of physics and chemistry make air travel an incredibly energy-intense means of travel. According to data published in the New York Times, a Boeing 747 crossing the Atlantic emits nearly 2,800 pounds of carbon dioxide (CO2) for each person on board, and USA Today reports that you would have to drive an SUV for a month to emit as much CO2 as a jetliner emits per person on a New York to Denver flight. And because jetliners emit these greenhouse gasses high in the atmosphere, their heat-trapping...
...still have an edge. But not for much longer. One more Katrina, and instant energy independence will hardly be the most pressing raison d’être for stringent energy standards. In the meantime, the concern should shift from one of barrels of oil imported to tons of CO2 emitted...
...ecologist Stephen Pacala have come up with a remarkably straightforward way of approaching it. To stabilize the world's carbon emissions, they propose not chasing a single magic bullet but harnessing seven different categories of reduction, using available technology. Their goal is to draw a road map for reducing CO2 emissions that is both realistic and effective...
...total of 25 billion tons of emissions by 2056. (We're now adding 7 billion tons annually, and that figure would double by 2056 without some action.) They are all so-called stabilization wedges, which lower the angle of the line representing carbon-emissions growth and together would reduce CO2 emissions enough to stabilize the carbon concentration in the atmosphere. Efforts to reduce energy use form one kind of wedge. So does improving power plants. Another wedge addresses alternative energy...