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New nanotechnology to produce sustainable,clean water for developing nations
produce sustainable clean water developing nations
2016/10/10
The world's population is projected to increase by 2-3 billion over the next 40 years. Already, more than three quarters of a billion people lack access to clean drinking water and 85 percent live in ...
联合国环境规划署（United Nations Environment Programme，UNEP）
联合国环境规划署 United Nations Environment Programme UNEP
2014/3/5
The United Nations Environment Programme's Regional Office for North America (RONA), established in Washington, D.C. in October 2000, is one of six regional offices that make up UNEP’s Division of Reg...