Dina Cappiello

EPA cracks down on smog with strict new ozone rule Dina Cappiello

Pat Toomey, Joe Manchin

Vote on background checks too close to call Dina Cappiello

EPA hopes to tighten emissions standards on cars Dina Cappiello

Barack Obama

Obama halts controversial EPA regulation Dina Cappiello

Gregory Jaczko

Govt panel: Changes needed at U.S. nuclear plants Dina Cappiello

Barack Obama

Obama announces steps to speed U.S. oil production Dina Cappiello

BP launches new debate over size of spill Dina Cappiello

Report: White House altered drilling ban paper Dina Cappiello

Panel: White House blocked worst-case oil spill figures Dina Cappiello

BP: Blame us for the spill -- and everyone else Dina Cappiello

Lawmakers focus on chemical used in Gulf oil spill cleanup Dina Cappiello

Senate Democrats delay vote on spill, energy bill Dina Cappiello

EPA replacing Bush smog limit Dina Cappiello

Climate summit prospects brighten Dina Cappiello

Kerry: US leadership at stake in climate debate Dina Cappiello

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