Group items tagged

Aerosols in the air from pine trees (what carries their scent) block sunlight and reflect rays back into space, and thus counters climate change and has a cooling effect.

New hybrids are evolving to cope with climate change

"Durban, South Africa (CNN) -- An agreement reached Sunday in South Africa will help tackle the challenges of climate change for years to come, the United Nations' chief said. ...[The Kyoto Protocol] mandates that industrialized nations cut their greenhouse gas emissions."

Lost since 1979 ... about 80 per cent of summer sea-ice. Photo: Nick Cobbing Climate change has moved into a new and dangerous phase. The Arctic has been warming two to three times faster than the rest of the world.

WASHINGTON -- Taking climate change efforts into his own hands, President Barack Obama is proposing sweeping steps to limit heat-trapping pollution from coal-fired power plants and to boost renewable energy production on federal property.

In the run up to a key global warming report, those sceptical of mainstream opinion on climate change claim they are "winning" the argument. They say a slowing of temperature rises in the past 15 years means the threat from climate change is exaggerated.

The Brazilian Chamber of Deputies has approved controversial legislation that eases rules on how much land farmers must preserve as forest. Brazil's powerful farmers' lobby argues that the changes will promote sustainable food production. But environmentalists say the new forest code will be a disaster and lead to further destruction of the Amazon.

Scientists have identified thousands of sites in the Arctic where methane that has been stored for many millennia is bubbling into the atmosphere. The methane has been trapped by ice, but is able to escape as the ice melts. Writing in the journal Nature Geoscience, the researchers say this ancient gas could have a significant impact on climate change.