How can anybody doubt global warming after NASA confirmed 2005 as a record-setter?
And, how can anybody doubt the man-made nature of global warming after these facts:
All five of the hottest years since modern record-keeping began in the 1890s occurred within the last decade, according to analysis by NASA's Goddard Institute for Space Studies. …
"It's fair to say that it probably is the warmest since we have modern meteorological records," said Drew Shindell of the NASA institute in New York City.
How bad is it? Two-thirds of the temperature increase of the last century is concentrated in the last three decades.
Over the past 30 years, Earth has warmed by 1.08 degrees F (0.6 degrees C), NASA said. Over the past 100 years, it has warmed by 1.44 degrees F (0.8 degrees C).
What happens if we reach an equilibrium-breaking tipping point?
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