April 22, 2012, marks the 42nd anniversary of Earth Day. it appreciates and celebrates of the Earth's natural environment
Earth Hour is held on the last Saturday of March, asking people to turn off lights from 8:30 pm to 9:30 pm.
The environmental protection bureau of Shanghai municipality said Tuesday that the bureau and the U.S. consulate in the city have given different assessments for the city's air quality because of different standards.
For Feng Cuiqin and her neighbors, one of the most frightening things is drinking the water, which they fear causes cancer.
Sustainable water reforms are having a positive impact on countries' development, according to the results of a UN survey.