"PORTLAND, Maine -- Frank Knight's decades-long battle to save New England's tallest elm served as an inspiring tale of devotion, so it is fitting that he will be laid to rest in a coffin made from the tree he made famous. Knight, who died Monday at 103, had affectionately referred to the 217-year-old elm nicknamed Herbie as "an old friend." The massive tree succumbed to Dutch elm disease and was cut down two years ago."

"Biodiversity has decreased by an average of 28 percent globally since 1970 and the world would have to be 50 percent bigger to have enough land and forests to provide for current levels of consumption and carbon emissions, conservation group WWF said on Tuesday."

"Living in the middle of a natural gas boom can be pretty unsettling. The area around the town of Silt, Colo., used to be the kind of sleepy rural place where the tweet of birds was the most you would hear. Now it's hard to make out the birds because of the rumbling of natural gas drilling rigs." ...

"Consumer, environmental and anti-nuclear advocates said Monday they will fight proposed state legislation allowing Duke Energy to more easily pass costs of a new nuclear plant on to N.C. customers."

"Duke wants N.C. lawmakers to allow it to recoup nuclear pre-construction and financing costs without filing a lengthy general rate case. The bill would instead let utilities adjust rates annually to recover those costs, something South Carolina, Georgia and Florida already allow."

"As climate change transforms their habitat, some animals are already on the move. But a new analysis from the University of Washington warns that many species won't be able to run fast enough to survive a warming world."

"From horsepower to battery power, Ferrari is joining the growing ranks of green carmakers by launching its first ever hybrid vehicle at the end of the year."

"When it comes to labels assuring consumers that they’re buying green products, buyer beware. In theory such labels are intended to help shoppers make responsible choices. But many of these labeling and certification programs are overseen by the industry they are supposedly policing."

"Without fanfare, the nation's nuclear power regulators have overhauled community emergency planning for the first time in more than three decades, requiring fewer exercises for major accidents and recommending that fewer people be evacuated right away."

A new poll shows more Americans (47%) trust President Obama on climate issues than those who trust GOP contender George Romney (21%). Some 66% percent believe global warming is happening. A previous poll showed 72% think climate change should be a priority for both the president and Congress. The poll, conducted by Yale and George Mason University researchers, had a 3% margin of error.

"BONN -- Governments met in Bonn Monday to tackle curbing global greenhouse gas emissions and helping developing countries adapt to the unavoidable effects of climate change. During the next 10 days, they will work towards writing a global, legally-binding climate agreement, extending the Kyoto Protocol into a second commitment period, and building funding support for developing nations to US$100 billion a year by 2020."