Four lane highway in Nebraska

An Algae Farm for Cleaner Highways

A design firm has come up with an answer to highway pollution, running tubes of photosynthetic algae to absorb CO2 pollution from traffic.
Plastic and trash litter a shoreline.

“Plastic Rock” Marks the Presence of Humans in the Fossil Record

Plastic in the ocean has created an entirely new kind of rock: plastiglomerate.