More China companies are going green. Chinese entrepreneurs and private citizens are starting to become more active in trying to address concerns over global warming, a nascent trend that could have significant impact on the ability of the world's largest greenhouse-gas emitter to curb its effects. [News Source]

Soils give clean look at past carbon dioxide. Atmospheric CO2 levels may have been lower in warm eras of the Earth's distant past than once believed, raising concern that CO2 levels from fossil fuel burning may, in the near future, be closer to those associated with ancient hothouse climates. [News Source]

Valley air board, AG differ on limiting emissions. The Valley air board this month adopted California's first guidelines for greenhouse-gas reduction on new development, but the state Attorney General's Office questions whether they will hold up in court. [News Source]

Atlanta group challenges EPA on greenhouse gases. Six Republican congressmen from Georgia have signed onto an Atlanta-based organization’s legal challenge of a federal announcement that could lead to government regulation of greenhouse gas emissions. [News Source]

Fight warming, get $1,100 a year. The "cap and dividend" could jump-start stalled Senate climate discussions. [News Source]

Citizen scientists flock to annual bird count. This season marks the 110th year of Audubon's annual Christmas bird count, making it the longest-running wildlife census on record and one that has contributed hugely to data about changing bird ranges linked to global warming and habitat change. [News Source]

Climate change blamed for rise in diseases. The outbreak of mosquito-borne diseases like dengue and chikungunya in Sarawak could be attributed to the phenomenon of climate change. [News Source]

American pikas endangered by climate change. The American pika is starting to "fall off the tops of mountains," as field biologists put it, along with many other mountain species because of global warming. Pikas are adapted to survive in high altitude cold with thick fur. If it gets relatively warm they can overheat and quickly die. [News Source]

Take environment seriously or risk prosperity, climate experts tell firms. Water conservation, waste management, and climate change are regarded as the top three environmental concerns in the Middle East, a survey of 106 businesses revealed. [News Source]

Ecosystems strain to keep pace with climate. Earth's various ecosystems, with all their plants and animals, will need to shift about a quarter-mile per year on average to keep pace with global climate change, scientists said in a study released on Wednesday. [News Source]

China to be 3rd biggest wind power producer. China is set to become the world's third largest wind power producer in 2009 with 20 gigawatts of installed wind power capacity, as the Asian giant seeks various ways to expand energy supply to power its economic boom. [News Source]