"MARIANA, Brazil -- "Three days after a massive mudflow and flood caused by ruptured dams at an iron ore mine, Brazilian authorities are still struggling to determine a cause or even recover the bodies of as many as 28 people possibly swept away in the torrent."

"Casualties from a collapsed dam at a Brazilian mine owned by Vale and BHP Billiton mounted on Friday after rescue teams worked through the night to find the dozens missing in mudslides that devastated a nearby village."

"Did climate change cause that heat wave? That hurricane? That drought? A new collection of studies examined extreme weather events last year, including drought, floods and storms, to look for signs that climate change was a cause or contributor — and found mixed results."

"Aid flights rushed food and tents to the Yemeni island of Socotra, local officials said on Wednesday, after it was hit by a rare cyclone the United Nations said has displaced 40,000 people there and on the mainland."

"A stubborn forest fire in the Brazilian Amazon is threatening to consume the forest home of one of the last remaining uncontacted tribes on Earth – the awá-Awá."

"A cyclone with hurricane-force winds made landfall on Yemen's Arabian Sea coast on Tuesday, flooding the country's fifth-largest city Mukalla and sending thousands of people fleeing for shelter."

"A large ship found in deep water off the Bahamas is the lost freighter El Faro that sank with 33 crew members in a hurricane last month, U.S. authorities said on Monday."

"A rare tropical cyclone packing hurricane-force winds lashed the Yemeni island of Socotra on Monday, killing three people and injuring dozens, residents and officials said, as it headed for an Al Qaeda-controlled town on the mainland."

"A sudden spike of earthquakes in southern Kansas is raising eyebrows in the region, where there have been more earthquakes in the past two weeks than there were in the years between 1990 and 2013."