"The World Health Organization declared an influenza pandemic on Thursday and called on governments to prepare for a long-term battle against an unstoppable flu virus."

"The world's richest countries and those that are developing fastest need to lead the transition to an energy-efficient and low-carbon economy to stave off the worst effects of climate change, science academies from these nations said on Thursday."

"The United States and Mexico might consider emulating Canada when it comes to public reporting of industrial pollutants that are released into the air or water or transferred for disposal or recycling, suggests a new report."

"A Canadian service station today became the first in the world to sell gasoline blended with biofuel made from wheat straw."

"The island of Bonaire is somewhat of an anomaly in the Caribbean due to its remarkably preserved coral reefs."

"Japan, a major emitter of greenhouse gases and an important player in the global warming debate, announced Wednesday that by 2020 it intended to reduce emissions 15 percent from 2005 levels -- a goal immediately criticized as inadequate by environmentalists and industry officials."

Scientists this week will present papers detailing new harmful effects of bisphenol A (BPA), an estrogen-mimicking chemical used in baby bottles and many food cans.

The US and China opened talks June 8, 2009, in hopes of making a breakthrough on climate change -- but the question of who will shoulder major responsibility remains unresolved.

The big migrations of hoofed, grass-eating animals may soon be a thing of the past.

Witnesses at a Senate Hearing testified about many ways in which the world's oceans are already being affected by global warming.

"Some of the world's largest airlines called on Tuesday for the industry to set global emissions targets as part of efforts to include aviation in a broader climate agreement at the end of the year."

"Lyme disease is moving its way into new parts of Canada but the government is not doing enough to track it or to teach doctors how to diagnose it, says a new report."

Persistent organic pollutants from thousands of miles away accumulate to unusual levels in the bodies of the indigenous peoples of the Arctic.

"Canada plans to expand one of its most prized parks to more than six times its current size in a move to help protect the habitats of grizzly bears, caribou and other species...."

"Royal Dutch Shell has agreed a $15.5 million out-of-court settlement in a case accusing it of complicity in human rights abuses in Nigeria."