«Tens of thousands of kilogrammes of toxic metals such as mercury, lead, arsenic and cadmium are spewed out of the stacks, contributing to cancer risk and harming children's development,» says the Greenpeace report, which does not emphasise the impact of coal burning on climate change. (theguardian.com)
The disadvantages are increased greenhouse gas emissions per kilogramme of meat and milk. (fibl.org)
The price of ivory has passed $ 2,000 per kilogramme on the Asian black market, according to several non-government organisations. (treehugger.com)