" ... wouldn't it be lovely if somebody came up with a biofuel that didn't take food out of people's mouths? A few years ago, some people thought they'd found it: A miracle tree called Jatropha. Unfortunately, the miracle turned out to be a mirage."

"THE blackouts that left hundreds of millions of Indians sweltering in the dark last month underscored the status of air-conditioning as one of the world’s most vexing environmental quandaries."

"A floating robot has been deployed to track great white sharks in the Pacific as part of efforts to understand the giant predators."

"Landslides killed more than 32,000 people across the world from 2004 to 2010 - up to 10 times more than previously thought, the first detailed study of the disasters showed on Thursday."

"Wildfires sparked by lightning near Canada's Hudson Bay are threatening the habitat of polar bears, encroaching on the old tree roots and frozen soil where females make their dens, a conservation expert on the big, white bears said on Thursday."

"This week, Bill Gates was at a summer fair in Washington State, but he was not eating deep-fried butter on-a-stick, or checking out livestock. Gates was inspecting cutting-edge toilet technology on display at an event his foundation hosted in Seattle — the Reinvent the Toilet Fair."

"The modern world has long thought of refugees in strictly political terms, victims in a world riven by competing ideologies. But as climate change continues unabated, there is a growing population of displaced men, women and children whose homes have been rendered unlivable thanks to a wide spectrum of environmental disasters."

"In a potential milestone for ocean management, a team of collaborators has produced the first Ocean Health Index, a tool for appraising the state of the world’s oceans. The index takes into account the major factors that influence the quality of regional marine ecosystems like fisheries, biodiversity, tourism and carbon storage and then assigns a score from zero to 100 for each place."

"Forget fluffy pandas and doe-eyed forest creatures. This TV presenter is all about the ugly, the freakish, the unloved."

"Radiation from the Fukushima nuclear disaster might have increased the rate of mutation in one species susceptible to environmental changes."