"The world's rivers are so badly affected by human activity that the water security of almost 5 billion people, and the survival of thousands of aquatic species, are threatened, scientists warned."

"One in five of the world's 380,000 plant species is threatened with extinction and human activity is doing most of the damage, according to a global study published on Wednesday."

"In America's nascent electric-car industry, there is little doubt that markets will also flourish in China, Europe and elsewhere. Does that mean there will be a sizable export market? American companies are concluding that the answer is no."

Pakistan's ambassador told a House Committee last week that the floods devastating his country were a warning of what the future may hold in a future world of climate disruption.

"Climate ministers and top negotiators from dozens of nations remain deadlocked over how to cut greenhouse gases less than three months before the next major international climate summit."

"The Obama administration is renewing the long-running effort to win U.S. ratification of two international treaties aimed at limiting the reach of the world's most toxic chemicals."

"The world could be on the brink of a major new food  crisis caused by environmental disasters and rampant market speculators, the UN will be warned today at an emergency meeting on food price inflation."

"Across the Far North, populations of caribou — an indispensable source of food and clothing for indigenous people — are in steep decline. Scientists point to rising temperatures and a resource-development boom as the prime culprits."