Past pollution still affects today’s environment

Policy-makers should take into account historical information about ecosystems in order to make more informed decisions with regard to the environment.

Legacy effects from archaic human activity are still being felt, such as large amounts of man-made materials building up in urban areas, concentrations of lead in soil though the substance has been banned in manufacturing for decades, and the composition of areas that were used for agriculture decades ago, compared to unploughed areas in the same region.

Read more at University of Pittsburgh