"As decision time looms for a controversial Little Colorado River water settlement, Navajo and Hopi tribal governments are looking increasingly likely to support the settlement – and oppose its companion federal legislation, SB 2109."

"DULUTH, Minn. - The city of Duluth is in crisis mode after a deluge of rain overnight left parts of the community under floodwaters, and a number of animals at the Lake Superior Zoo dead."

"Christine Bennett remembers her childhood days in Mossville, La., walking to and from school through an alley of industrial plants. 'We had to cup our noses just to breathe,' said Bennett, who for 53 years lived in the southwestern Louisiana town, a longstanding African-American community."

"OTTAWA -- Late [Monday] night, Canada's House of Commons passed Bill C-38, the budget of the majority Conservative government, ignoring thousands of Canadians who spoke up for nature and democracy."

"RIO de JANEIRO -- More than 100 heads of state and government [Wednesday] gathered in Rio de Janeiro for the start of the United Nations Conference on Sustainable Development, Rio+20. The summit seeks to shape new policies to promote global prosperity, reduce poverty and advance social equity and environmental protection in the face of warnings that the ecological basis of life is coming undone."

"UCLA researchers say the number of days topping 95 degrees each year will jump by as much as five times. The study could help local governments prepare for extreme temperatures and reduce risk to residents, L.A. Mayor Antonio Villaraigosa says."

"A report finds that injecting carbon dioxide into underground rock formations, while a potential means of fighting global warming, could increase stresses on faults, leading to earthquakes."

"A Senate resolution seeking to reverse federal regulations limiting emissions of mercury and other toxic substances from coal-burning power plants failed to win passage on Wednesday. The resolution, introduced by Senator James M. Inhofe, an Oklahoma Republican, won support from 46 senators; 53 voted against it."

"U.S. Democrats in the House of Representatives urged the Obama administration on Wednesday to expand proposed regulations for fracking for natural gas, saying companies should be required to reveal the chemicals to be used in the process prior to drilling."