"COPEMISH, Mich. — A team led by a nurseryman from northern Michigan and his sons has raced against time for two decades, snipping branches from some of the world's biggest and most durable trees with plans to produce clones that could restore ancient forests and help fight climate change."

"Few Torontonians know there are oil pipelines beneath the city and that Enbridge has applied to make significant changes to one of them."

Beekeepers in the remote hills of southern Greece are not seeing colony collapse disorder in their hives. The reason may be that the bees are not exposed to pesticides.

"Canada's federal pipeline regulator has ordered Enbridge to conduct a full engineering assessment of a troubled northern pipeline that has sprung several leaks in the last two months."

"Tokyo Electric Power Co. refuses to pay 10.55 billion yen ($106 million) for decontamination work around its crippled Fukushima No. 1 nuclear plant, saying it is under no legal obligation to do so."

"WASHINGTON, DC -- Support for global action to curb climate change is growing stronger within the G8 group of the world’s largest industrial democracies, which includes the United States and Japan."

"WASHINGTON — The Supreme Court ruled on Wednesday that Nigerian plaintiffs who said foreign oil companies had been complicit in violating their human rights may not sue in American courts. The decision limited the sweep of a 1789 law that had been used to address human rights abuses abroad."

"MOSCOW — It was once protected by ice. Now regulation will have to do the work."

"LONDON -- The development of low-carbon energy is progressing too slowly to limit global warming, the International Energy Agency (IEA) said on Wednesday."

One of the six winners of the prestigious Goldman Prize, Azzam Alwash, played a key role in restoring the marshes in Southern Iraq that had been drained by Saddam Hussein as punishment of the people who lived there.