Fossils are often washed together on-site in a large bath which can allow water and contaminants in the form of contemporary DNA to permeate into the porous bones.
But variables like pedestrians in crosswalks, large crowds and vehicle wrecks can throw a carefully designed system out of whack, leading to annoying and pollution-causing traffic jams.
Everyone blithely signed on to the EU's flagship emissions-trading scheme. But France and Germany then gave their industries so many permits to pollute that they undermined the entire scheme.
Lost in all the coverage of China's air pollution crisis is that the country continues to build more coal-fired power plants — with 363 new ones under construction at last count.
Unprecedented industrial growth in the country of Remo has created serious environmental problems because factories there lack adequate pollution-control systems.
In this now universal contamination of the environment, chemicals are the sinister partners of radiation in changing the very nature of the world — the very nature of its life.
In this now universal contamination of the environment, chemicals are the sinister partners of radiation in changing the very nature of the world the very nature of its life.
This chemical pollution has two sources: the factories which dump polluted water directly into the river and the local community which dumps untreated human wastes into the river.