Reuters - Reducing the number of different gasoline blends sold to fight air pollution in the United States could increase pump prices for consumers instead of lowering costs as advocates of streamlined regulations hope, U.S. oil refiners warned Congress on Wednesday.

Reuters - China's car efficiency standards are tougher than those of many industrial states -- a somewhat surprising fact that reveals how efforts by developing nations to limit pollution may also help brake global warming.

AFP - Beijing launched its inaugural "no-car day" on Monday to combat the city's worsening pollution woes, but traffic was as grid-locked as ever and the grey air remained dense with exhaust fumes.

AFP - India's cities are among some of the world's most polluted, but an environmental report found its rural areas are also suffering.

AFP - The air in parts of London is so polluted that it exceeds European Union limits by up to 50 percent, according to a study.

AFP - China's growth model, based on the West's economic model with its massive appetite for resources and increasing environmental degradation is unsustainable and will have to change, a leading environmentalist said.