Plastic trash accumulates in trees and shrubs along the Los Angeles River.
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Plastic is made from oil and natural gas, which started out as fossilized plant and animal material. But buried deep underground for millions of years, those materials changed in important ways.
Musculoskeletal injuries can cause severe pain and lead to greater problems.
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One big problem with plastics is that they’re largely made of petroleum. Sourcing bio-polymers from plants and bacteria has some big benefits – and the technology is starting to take off.