Trump Signs Order Rolling Back Environmental EffortsDeclaring "the start of a new era" in energy production, President Donald Trump signed an executive order Tuesday that he said would revive the coal industry and create jobs.
La Niña May Be To Blame For Unseasonably Warm WinterWhen you see the polar ice cap melting and temperatures this warm in Pittsburgh in February, how can you not think global warming.
Unofficial National Park Service Twitter Fires Off At President TrumpAfter a few National Park Service tweets on climate change were deleted, a new unofficial account is firing at President Donald Trump.
For Third Straight Time, Earth Sets Hottest Year RecordGovernment scientists say the Earth sizzled to a third straight heat record last year.
Weather Will Become More Extreme By End Of The Century, Study FindsA study finds that the world will lose, on average, 10 'mild' days a year by the end of the century.
Study: Man-Made Global Warming To Cause 95 Percent Of Very Hot Days By 2050If you find yourself sweating out a day that is monstrously hot, chances are you can blame humanity. A new report links three out of four such days to man's effects on climate.
Rubio's Climate Change Views Could Hurt 2016 Presidential BidThe presidential hopeful has acknowledged that the climate is changing, but has expressed skepticism that it is being caused solely by humans.
Study Finds Methane Emissions Dropping In USResearchers have found that methane emissions from local natural gas distribution systems across the U.S. have decreased in the past 20 years.
Warm Winter: Report Says Eastern US Alone In Having Extremely Cold FebruaryAlthough in Pittsburgh – and in other parts of the East Coast – we shivered through February’s record-breaking cold, we were pretty much alone.
EPA: Keystone XL's Climate Impacts Need To Be RevisitedWith the recent dip in oil prices, the Environmental Protection Agency wants the State Department to "revisit" how much of a toll the Keystone XL oil pipeline would have on global warming.
Pope's Climate-Change Stand Deepens Conservatives' DistrustConservative distrust of Pope Francis, which has been building in the U.S. throughout his pontificate, is reaching a boiling point over his plan to urge action on climate change.
Scientist Say 2014 Hottest Year On Record, But Not In PittsburghFor the third time in a decade, the globe sizzled to the hottest year on record, federal scientists announced Friday.

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