The amount of plastic that will be produced this decade will nearly equal the total produced in the 20th century, and the substance is increasingly taking a toll on human health and the environment, a new study says.

Reporting in the journal Philosophical Transactions of the Royal Society B, more than 60 scientists found the following: Chemicals added to plastics are increasingly absorbed by humans, altering hormones and affecting fetal development and other physiological processes; millions of tons of plastic debris are ingested by hundreds of animal and fish species, clogging their digestive systems and infusing their systems with chemicals; floating plastic debris can last thousands of years in oceans and transport invasive species; plastic in landfills leaches harmful chemicals into groundwater; and 8 percent of world oil production goes into manufacturing plastics.
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