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The latest warning is from Dr Judith Ajani a forest economist at the Australian National University. "The effect of the emissions trading scheme, with respect to the forestry sector both native forests and plantations, is potentially to be quite negative from a climate change mitigation perspective," Dr Ajani said.

Warming temperatures could soon cause California's giant sequoia trees to die off more quickly unless forest managers plan with an eye toward climate change and the impacts of a longer, harsher wildfire season, federal researchers warned Thursday.

Now that the emerald ash borer has made its way to Missouri, state experts doubt they can stop its spread. Their focus is on slowing it down.

As the beach near Neskowin washed away last winter, a ghost forest emerged that could give Oregon State University students a look at our past climate and, maybe, our future. The forest has been preserved in the beach sands for thousands of years and consists of twisted chunks of wood emerging from the beach.

A Minneapolis mom recently learned that ordinary, household items are contaminating her family. "Everyday household things could be doing our kids harm and we don't even really understand what they can do yet," said mother Christi Williams.

The greatest challenge in paper recycling is removal of polymeric ink and coating; and the most difficult paper is mixed office wastepaper. Traditional de-inking processes involve large quantities of chemicals which are expensive and unfriendly to the environment. A better alternative would be a technology that involves biological intervention.