"Vastly more Americans will be exposed to dangerous heat waves in future decades because of a combination of rising temperatures and rapid population growth in the South and West, scientists warned in a study published Monday."
"The moderate global warming that has already occurred as a result of human emissions has quadrupled the frequency of certain heat extremes since the Industrial Revolution, scientists reported Monday, and they warned that a failure to bring greenhouse gases under control could eventually lead to a 62-fold increase in such heat blasts."
"President Obama used the backdrop of the Florida Everglades this Earth Day to highlight the dangers posed by a changing climate. He also took a swipe at Florida's Republican governor, who's been accused of discouraging state workers from discussing global warming."
"The first three months of 2015 were the warmest start to any year on record, according to new data released from NASA on Wednesday."
"The National Transportation Safety Board said Monday that new oil tank train cars should come with much stronger ability to withstand high heat and pressure from a crash or a blast."
Climate change not only affects how much food is grown, but also how it gets to market. Storm surges, floods, and other extreme weather events around the world highlight the vulnerability of food distribution systems.
"A University of Colorado environmental studies professor says he is the target of a congressman's "witch hunt" because he expressed doubt in congressional testimony about whether climate change is making natural disasters worse."
"Scientists have witnessed carbon dioxide trapping heat in the atmosphere above the United States, chronicling human-made climate change in action, live in the wild."
"Democratic lawmakers in Washington are demanding information about funding for scientists who publicly dispute widely held views on the causes and risks of climate change."
"Last year was the hottest on earth since record-keeping began in 1880, scientists reported on Friday, underscoring warnings about the risks of runaway greenhouse gas emissions and undermining claims by climate change contrarians that global warming had somehow stopped."
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