Report claims costs arising from pollution and mining deaths are equal to seven per cent of China's GDP
The EPA claims it has continued to impose record fines on polluters
Mining and material extraction have health risks that could be avoided with relatively small investments
Canadian government is criticised for abdicating responsibility in the region
Researchers claim photocatalyst could help slash smog levels by up to 40 per cent
Official figures claim energy consumption per unit of GDP fell 3.66 per cent last year
Artificial islands use pollution-eating microbes to suck up toxins from lakes and oceans