The liberals' favorite conservative reverses stance on global warming, saying the science is "not enough" for U.S. action

Legislative delay means there's time for revisions

UK airline Thomson Airways launches aircraft powered by waste cooking oil

Dems block measure to to speed up oil leases off the U.S. coast

Signals from mobile phones may be partly to blame for mysterious decline of bee populations around the world

Tourists flock to technicolor landscape.

New research suggests that the footprint of natural gas development is worse than coal.

Silicon Valley lays a bet on extreme weather insurance for farmers.