"Fumo" emits happy beeps and blipping lights anytime it's fed a cigarette butt.
Researchers say they were "shocked" to find so much plastic, glass, and fishing equipment all over the seafloor.
Sanitation workers went on strike during the big event, leaving the streets covered in trash.
Never has deadly marine debris looked so beautiful.
A common packing strap is responsible for more than half of Alaska's Stellar sea-lion entanglements.
The city's 6,000 cleaners have been on strike for more than a week. That's bad news for anyone who wants to walk outside.
The proposed learning center looks like a blimp got stuck in a rubbish bin.
Inside New York City's plan to reduce the annual miles driven by its sanitation department.
No, Jennifer Maravillas is not crazy. But she does walk the streets picking up interesting pieces of trash.
With bright paint and an eye out for the police, Francisco de Pájaro transforms street rubbish into hilarious googly-eyed freaks.
"There could be rotting flesh and feces on a mattress," says photographer Amanda Durbin, "and I'd still snap a photo before I called the authorities."
Behind the scenes of the city's aggressive campaign to monitor and educate people about exactly what should get thrown away.
Artist Gabriel Orozco has applied a fresh logic to trash-as-art.
The Indian city is setting itself up as a model for how struggling cities can better handle waste disposal.
Garbage piles on the streets of the Indian city as villagers protest dump's contamination.
Cities in developing countries will see waste management challenges skyrocket as they continue to grow.
Is there anything high-speed flexible impactors can't flail into gold?
The real scent of the Ohio city is far more complex.
The cramped city-state is only years away from running out of landfill space.