"In south Texas, where the Rio Grande divides the United States from Mexico, three of the last remaining sections of border fence -- approved more than five years ago -- remain unbuilt."

Climate change is already creating refugees along the coastal lowlands of Bangladesh.

"The U.S. Environmental Protection Agency is turning to a Houston activist to lead the fight against environmental injustices around the country."

"Of all the Idle No More protests that sprung up on Wednesday's national day of action across Canada, what may have worried the conservative government of Stephen Harper the most was a gathering of aboriginal young men banging tribal drums outside a hotel in downtown Vancouver."

KETTLEMAN CITY -- Maria Saucedo cried as she spoke of the two babies she has lost in Kettleman City -- one to birth defects and the other in a miscarriage. There's no proof, but she blames the toxic landscape surrounding her town. She and others who have suffered in Kettleman City say they live in a nasty soup of pollution. They make a compelling case."

"A grassroots indigenous movement is shaking up politics in Canada. It's called Idle No More. Like Occupy Wall Street and the Arab Spring, it spread quickly through social media and it's now got the attention of Canada's leaders, thanks to the efforts of one chief from a tiny tribe whose hunger strike has galvanized the movement." ...

"A Sauk County [Wisc.] farmer headed for trial on criminal charges related to the sale of raw milk has rejected a plea bargain that could have kept him out of jail and has raised religious freedom objections in the case."

"Friends say he has the vigor of a younger man, but Ed Merrifield knows the truth. He is tiring at age 65, and ready to give up his demanding third career as the Potomac riverkeeper."

"A landmark Environmental Protection Agency report concluding that children exposed to toxic substances can develop learning disabilities, asthma and other health problems has been sidetracked indefinitely amid fierce opposition from the chemical industry."

"ST. LOUIS -- A doctoral dissertation that renewed public interest in the military-sponsored chemical spraying of impoverished areas of St. Louis in the 1950s and ’60s has spawned a lawsuit."

"The air reeks so strongly of rotten eggs that tribal leader Wes Martel hesitates to get out of the car at an oil field on the Wind River Reservation in Wyoming. He already has a headache from the fumes he smelled at another oil field."

"New NAACP analysis pinpoints the disproportionate impact from coal-fired power plants on minorities and the poor."

"TEMACAPULÍN, Mexico -- "'What do we stand to lose because of the dam? We will lose everything!' said Maria Abigail Agredani, a member of the committee for this indigenous community in the western Mexican state of Jalisco, reporting the damage that will be caused by the hydroelectric complex being built nearby."

"Beset by subtle biases, haunted by a work-family imbalance, or frustrated by an ability to give adequate voice to their science, women are struggling to find their place in academia, with consequences for all of us."

"For decades, indigenous people in the United States and Canada have been burdened with health problems linked to environmental pollutants. But that isn't their only sacrifice: Pollution is crippling some tribes' culture. Their native foods, water, medicines, language and ceremonies, as well as their traditional techniques of farming, hunting and fishing, have been jeopardized by contaminants and development."