PUBLIC MARKS with tags "big datas" & environment

Of China’s major cities, Beijing’s pollution problem is probably the worst, causing thousands of premature deaths every year. Its residents are fed up. The growing outrage has forced leaders to declare a “war on pollution,” including the goal of slashing Beijing’s PM2.5— the concentration of the particles that pose the greatest risk to human health—by 25% by 2017. The Beijing municipal government will earmark nearly 1 trillion yuan ($160 billion) to meet that target. +