Satellite data confirms that plant life above 40 degrees north latitude has been growing more vigorously since 1981, with Eurasia showing more pronounced greening than North America. The existing vegetation has increased in density, but the area of vegetation has not extended.
A new potent greenhouse gas, trifluoromethyl sulphur pentaflouride (SF5CF3), has been discovered in the atmosphere, with concentrations increasing since the 1950s. The gas is closely related to SF6 and may be produced as a breakdown product of industrial processes.
Scientists will gather at the University of Michigan to discuss technical problems in measuring global carbon emissions, including identifying 'sinks' for locking up atmospheric carbon. The three-day symposium aims to advance our understanding and verification of carbon credits.
Northern Hemisphere winters have warmed by up to nine degrees Fahrenheit over the last 30 years, likely due to human activities increasing greenhouse gases. Warmer winters will bring more wet weather to Europe and Western North America.
A new report examines the trend towards increasing GHG emissions in 14 developing and transitioning nations, highlighting potential mitigation options. The Berkeley Lab's Environmental Energy Technologies Division has organized workshops with scientists from 35 nations to develop global climate change assessments.