Light pollution is growing in North America by up to 10% a year according to a nightly measurement.
The robot imitates the undulating motion of the snails's underside to drive water surface flow and suck in floating particles.
The once-redlined neighborhoods of 83 U.S. cities show higher noise pollution levels (a health risk) than those of wealthier White neighbors.
Some countries focus on end-of-life measures like disposal and recycling while others prioritize reducing production.
Air pollutants from these plants were associated with the death of half a million elderly Americans from 1999 to 2020.
In humans, tiny plastic particles can enter the brain. New research links their chemical action in the brain to Parkinson's disease risk.