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Dina Cappiello

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EPA cracks down on smog with strict new ozone rule

Dina Cappiello

Sen. Pat Toomey, R-Pa., right, and Sen. Joe Manchin, D-W.Va. (AP/J. Scott Applewhite)

Vote on background checks too close to call

Dina Cappiello

EPA hopes to tighten emissions standards on cars

Dina Cappiello

President Barack Obama gestures during a statement in the Rose Garden of the White House in Washington, Wednesday, Aug. 31, 2011, to urge Congress to pass a federal highway bill. (AP Photo/Evan Vucci) (AP)

Obama halts controversial EPA regulation

Dina Cappiello, Julie Pace

FILE - In this May 10, 2011, file photo Gregory Jaczko, chairman of the Nuclear Regulatory Commission, listens to a questions from media after touring the Indian Point Energy Center in Buchanan, N.Y. Jaczko is facing harsh critiques come from the Nuclear Regulatory Commission's inspector general's report, released in June 2011, which said he intimidated staff members who disagreed with him and withheld information from members of the commission to gain their support. President Barack Obama put the former aide to Senate Majority Leader Harry Reid, the Nevada Democrat who is Yucca's leading opponent, at the helm of the agency in May 2009. (AP Photo/Seth Wenig, File) (AP)

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

Dina Cappiello

President Barack Obama speaks at the National Hispanic Prayer Breakfast in Washington, Thursday, May 12, 2011. (AP Photo/Charles Dharapak) (AP)

Obama announces steps to speed U.S. oil production

Dina Cappiello, Darlene Superville

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, Michael Kunzelman, Harry R. Weber

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, Ben Feller

Kerry: US leadership at stake in climate debate

H. Josef Hebert, Dina Cappiello