"MAYFLOWER, Ark. -- In the week after an oil spill strangled the air in Ann Jarrell's neighborhood, tens of thousands of her bees either died or went mad."

"A 'toxic tour' past rail yards, smokestacks and refineries aims to show officials the consequences of their decisions in low-income, predominantly Latino communities in southeast L.A."

"Advocates for farmworkers, especially those who grow America's leafy greens and fresh vegetables, are pushing the government to do more to protect those workers from exposure to pesticides."

"SAVAR, Bangladesh — On the worst days, the toxic stench wafting through the Genda Government Primary School is almost suffocating. Teachers struggle to concentrate, as if they were choking on air. Students often become lightheaded and dizzy. A few boys fainted in late April. Another retched in class."

"Prime Minister Stephen Harper has moved his cabinet’s lone aboriginal minister into the sensitive portfolio of Environment as the government works to win crucial First Nations’ support for new pipelines and other resource-development projects."

"Blacks, Asians and Latinos are more likely to live in “urban heat islands” that are most at risk during extreme heat waves that are expected to worsen due to climate change, according to a new study."

"BALTIC, Ohio -- In parts of Ohio and Pennsylvania where horse-drawn buggies clip-clop at the pace of a bygone era, Amish communities are debating a new temptation — the large cash royalties that can come with the boom in oil and gas drilling."