Hansen Says Keystone XL Pipeline Will Test Obama on Global Warming (NYT – ClimateWire)

Study: Fracked Marcellus Gas Little Worse for Climate than Conventional Gas (Carnegie-Mellon)

Obama Should Push Revenue Options, Including Carbon Tax (WaPo Columnist E J Dionne)

Environmental & Taxpayer Groups Call for Supercommittee to Cut Energy Subsidies (The Hill)

A Fundamental Republican Science Problem (Andy Revkin, Dot Earth)

70 Arrested at White House on First Day of Tar-Sands-Pipeline Protest (It’s Getting Hot in Here)

The New Congressional Debt Panel: An Opportunity for Smarter Taxation (Brent Blackwelder – CASSE)

A Suggestion for the Deficit Supercommittee: Carbon Taxes (The Dismal Environmentalist blog)

US Gov’t Understates Climate Damage, Overlooks CO2 Reduction Benefits (Daily Climate)

Cap-and-Trade Becomes a Bludgeon in Republican Primary Brawl (NYT-ClimateWire)