Energy & Environment
Bill would phase out use of killer whales in captivity.
Justin Trudeau said the U.S.-Canadian relationship is bigger than one pipeline project.
TransCanada said it is "considering all options" after Obama denied the project Friday.
Refrigerator repairmen are facing new disposal requirements.
The decision ends the seven-year saga over the controversial project.
The ads target attorneys general their legal actions against a key climate change rule.
Action before climate talks would add credibility to the U.S.’s climate resolve, greens say.
Eric Schneiderman is investigating whether Exxon lied about its knowledge of climate change.
Colorado’s governor is trying to stop its attorney general from challenging Obama administration...
A new bill gives more power over the Land and Water Conservation Fund to states.
The industry is sounding the alarm over the latest in a series of plant closures.
Sanders said Obama should "absolutely" reject the pipeline project this month.
Sanders is taking a shot at Clinton over her slow decision to oppose the pipeline.
Activist Bill McKibben called it a "watershed moment" for the green movement.
They vow to reverse course if elected.
The main construction workers union said it is "dismayed and disgusted."
Obama will announce his rejection at a 11:45 a.m. speech, just after meeting with Secretary of...
Several countries are near an agreement to reduce the use of a refrigerant chemical.
A group of senators wants Obama to reject riders affecting the Endangered Species Act.
The 2016 hopeful said transportation funding should be left to states.
The bill would also force miners to contribute to mine cleanups.
A new federal study stopped short of directly linking extreme weather last year to climate change.
The "devolution" proposal called for reducing the gas tax by nearly 15 cents.
Rep. Lamar Smith is accusing the NOAA of political bias and interference in its research.