"How to cover an issue when the stakes for human health seem so high, scientific questions still linger, and passions run so deep?"

"Travel with me to the year 2100. Despite our best efforts, climate change continues to threaten humanity. Drought, superstorms, flooded coastal cities. Desperate to stop the warming, scientists deploy planes to spray sulfur dioxide in the stratosphere, where it converts into a sulfate aerosol, which reflects sunlight. Thus the planet cools because, yes, chemtrails."

"Hunkered down in the PJM Interconnection operations center near Valley Forge, Pa., shift supervisor Brian Oakes waited for a distress call."

"Citing a 'long-term systemic failure' at the California Department of Water Resources, independent forensic investigators released their final report Friday on the nearly-catastrophic emergency last February at Oroville Dam."

"When John Muir helped establish the National Park Service, he argued that such parks were vital to help people unplug from the world. 'Break clear away, once in a while, and climb a mountain or spend a week in the woods,' Muir was quoted as saying in 1915. But these days at Yosemite National Park, hikers to Half Dome are likely to encounter people talking on cell phones as they climb to the top."

"A Danish biotechnology company is trying to fight climate change — one laundry load at a time. Its secret weapon: mushrooms like those in a dormant forest outside Copenhagen."