Conservatives Debate Revenue-Neutral Carbon Tax (E&E News)

Koch Bros. On-Line Adverts Target Carbon Tax (Guardian)

Carbon Tax Supporters Rally at Oregon Capitol (Statesman Journal)

Carbon tax backers quietly forge ahead in D.C. (The Hill)

Senate Finance Paper Suggests Carbon Tax (The Hill)

Carbon Tax On The Table In The Senate (WaPo blog)

Earth Day Action: Tax Carbon Pollution (Everett (WA) Herald)

A (Carbon) Tax Everyone Can Love (Doyle McManus, LA Times)

Survey: Climate Concern Rising Among Republicans (Geo Mason U. via Greenwire)

Using a carbon tax to implement energy deregulation (James Pethokoukis, AEI)