Loss of summer Arctic sea ice (from the Copenhagen Consensus)

Climate news: Arctic seafloor methane release is double previous estimates, and why that matters

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Arctic methane is a big variable in climate predictions. Observed Arctic methane emission keep getting worse.
CO2 emissions from U.S. power plants, animated (source)

Obama’s flawed emissions proposal: Cap-and-trade, “offsets” allow plants to pay to pollute

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Where does Obama’s cap-and-trade emissions program fall short? For one, it allows polluters to create new permits.
climate change pollution global warming CO2

Video: How one Australian coal company squares its values with its action

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How one coal company straddles the dichotomy between what we know is true, and how it can benefit by ignoring it.
Arctic sea ice — modeled vs. observed as of 2009, Fig. 13 from the Copenhagen Diagnosis (source)

95% certainty humans causing global warming, per new UN climate report

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Keep in mind, this is a conservative estimate.
The march of CO2 in parts-per-million. We're at 400. We need 350 for human civilization to survive.

Atmospheric CO2 at highest levels in 3 million years

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We just passed an important, troubling, milestone – we are now far above safe levels of C02 for global warming.
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