Costco got off to a good start this holiday shopping season as the retailer racked up increased sale

Moving on two new legal fronts to overturn President Barack Obama’s rejection of its Keystone XL pip

In 2016, the U.S. Environmental Protection Agency will issue long-awaited rules to control methane e

A Missouri man who shot and killed two jailers nearly 23 years ago during a failed bid to help an ac

Israel on Monday began allowing thousands of Palestinians to return to the heavily destroyed north o

Senate Votes on Blocking EPA Greenhouse Gas Regs (AP) In the absence of congressional action on cli

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Tom and Mary Jo York are a health-conscious couple, who faithfully go in for annual physicals and pe

Members of two of the Environmental Protection Agency's most influential advisory committees, tasked

Anyone who views the climate crisis as a compelling issue can only be frustrated by how it has been

Last month, I decided to get a snack from a convenience store. As I walked to the door, there was an

PITTSBURGH, Pa. — John Moon stands on the 2000 block of Centre Avenue in Pittsburgh's Hill District.

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NEW YORK — Katie Couric said Wednesday that she'd been diagnosed with breast cancer, and underwent s

HOUSTON — On a summer day in a quiet neighborhood outside Houston, Pam Whitehead is sitting at the k