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.
Climate via Shutterstock

Obama loosens 4-decade ban on crude oil exports

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Obama opening the door to selling even more oil overseas? Yep.
Lake Mead water levels, comparing the last three years

Climate crisis: Arizona may run out of water in 6 years

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Paulson wants a carbon tax. Phoenix wants water. Both are Republican. Will this move the needle on climate change?
The Littles and the Bigs. Only one of these groups is visible to the public.

If there’s a War on Coal, Obama’s helping coal (it’s true)

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Obama has sold leases for 2 billion tons of coal, and is considering selling 10 billion more. Emissions, anyone?
Carbon emissions reduction under the REMI sample carbon tax proposal

Carbon tax should replace cap-and-trade — better emissions benefit, better economic benefit

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Carbon taxes work, much better than cap-and-trade, for reducing carbon emissions. Here’s why.
A coal mine in Wyoming, United States. The United States has the world's largest coal reserves.

Obama plan to reduce emissions allows coal-heavy states to increase emissions

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The more people look at the EPA’s 645-page proposal, the worse it looks. Coal and methane appear to be winners.
climate change pollution global warming CO2

Exxon: “None of our carbon reserves will be stranded.” Translation: All of our reserves will become emissions.

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Exxon thinks all of their carbon reserves will be sold. Obama is selling them more carbon reserves. Do the math.
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.
One reconstruction for post-dinosaur era CO2 using a relatively low value for climate "sensitivity" (source)

Eliminating carbon emissions — EPA can ask, encourage, or force a change. Which do you think will work?

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Will Obama’s EPA put teeth into its coal emissions requirements? We look at what that would require.
stocklight / Shutterstock.com

Seven things about the “inevitable” Hillary Clinton

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is Hillary Clinton really inevitable? If so, can she win? Seven reasons to give the latter a second thought.
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