"LEIPZIG, Germany — For 800 years, the St. Thomas Boys Choir has been filling churches with pure, young voices. Now it’s confronting a confounding phenomenon: Every year, those voices are cracking with teenage angst just a little earlier than before."

"In one of the deadliest nightclub fires in American history, 100 people died at a concert in Rhode Island nearly a decade ago. But the biggest killer wasn't the flames; it was lethal gases released from burning sound insulation and other plastics."

"One of the most remarkable environmental messes in local history was triggered 41 years ago when a train derailment dumped 200 tons of toxic chemicals on the porous bedrock of rural Genesee County."

"The Food and Drug Administration announced Friday that it was denying a petition to ban BPA from all food and drink containers, saying the science does not show an immediate cause for such action. However, the federal agency cautioned that this ruling does not declare bisphenol A, or BPA, as safe. The agency says it is continuing its assessment of the chemical, which is used in the lining of most canned food and drinks."

"The U.S. Food and Drug Administration is expected to decide by Saturday whether to continue allowing bisphenol-A (BPA) in food and beverage containers, Americans' main source of exposure to the chemical implicated in everything from asthma to diabetes."

"The search for the killer of America's bees is a little bit like an Agatha Christie novel. Suspicion has turned toward one shady character and then another: declining habitat; parasites; diseases; pesticides.

Or did they all conspire in the recent mass murder of the country's bees?

"Scientists, environmentalists and farm advocates are pressing the question about whether rewards of the trend toward using more and more crop chemicals are worth the risks, as the agricultural industry strives to ramp up production to feed the world's growing population."

"OTTAWA — The federal government is set to declare a bacteria killer found in many toothpastes, mouthwashes and anti-bacterial soaps as toxic to the environment, a move which could see the use of the chemical curtailed sharply, Postmedia News has learned."