From the 2006 UNEP GEO yearbook:
A few changes in Asia over between 1990 and 2002: More people living in slums, but better access to safe drinking water and increased energetic efficency in China.
From the 2006 UNEP GEO yearbook:
A few changes in Asia over between 1990 and 2002: More people living in slums, but better access to safe drinking water and increased energetic efficency in China.