"The crisis may have eased in Toledo, but the toxic algae in Lake Erie that contaminated the water supply for 500,000 people in Ohio continues to plague lakes and rivers across the country, including here in Maryland."

"Toxic metal threatens marine life as it accumulates faster in shallow layers than in deep sea due to human activity"

"Carriers with the U.S. Postal Service this week were delivering a last bit of expected bad news from the Army Corps of Engineers to 565,000 individuals and businesses who filed claims for trillions of dollars of damages caused by failures of New Orleans area levee systems during Hurricanes Katrina and Rita in 2005."

"Wildfires are ravaging the West Coast, burning homes and prompting evacuations. Responding to wildfires has proven costly and now the Obama administration is reevaluating how it pays to fight them.""

"The U.S. Centers for Disease Control and Prevention on Wednesday issued its highest alert for an all-hands on deck response to the Ebola crisis in West Africa."

"HONOLULU -- Hawaiians braced for a one-two punch from a pair of major storms headed their way on Wednesday, as Hurricane Iselle bore down on the islands packing high winds and heavy surf and Julio, tracking right behind, was upgraded to hurricane status."

"A tropical rain storm that caused deadly floods and destructive mudslides in the San Gabriel Mountains on Sunday was the kind of weather event seen only once about every 500 years, the National Weather Service said."

"Researchers have long contended that the epicenter of global warming is also farthest from the reach of humanity. It’s in the barren landscapes of the frozen North, where red-cheeked children wear fur, the sun barely rises in the winter and temperatures can plunge dozens of degrees below zero. Such a place is the Yamal Peninsula in Siberia, translated as 'the ends of the Earth,' a desolate spit of land where a group called the Nenets live."

"President Obama sought to pressure 'climate change deniers' in a recent interview, pitting them against CEOs of major corporations on the controversial issue."