Endangered

In 1963 scientists discovered industrial air pollution was acidifying water that rained down from the sky, killing ecosystems of streams. Fifty years later, there's less acid rain. But rivers aren't neutral, they're alkaline.

biodiversity
Feeling that it is no longer tenable to treat each invasive species as an isolated case, Irish academics are calling for a concerted effort to maintain the region's unique biodiversity.

brink
Back from the brink of extinction, the endangered whooping crane is making a slow recovery. Only about 200 are currently living in the wild. These majestic white birds are the tallest in North America.

A major report found that the world’s “forage fish,’’ the diminutive species that are breakfast, lunch, and dinner for so many larger marine creatures, face unsustainable worldwide pressure from commercial fishing.

ecologist
Is eco-conscious fur an oxymoron? Some ecologists and fashion enthusiasts are trying to rekindle a market for fur made from nutria — rodents that are destroying Louisiana's wetlands.

The blobfish is facing extinction from trawler fishermen, even though it is inedible and lives at depths where it is rarely seen by humans.

A parasite with a bloom over 3 feet (1 meter) across! For all its beauty, this endangered plant reeks like rotting flesh, attracting insects such as flies for pollination.

On a remote island in the South Atlantic, common house mice have become relentless killers, consuming millions of endangered baby birds a year.

species
Our world faces an uncertain future, a future that concedes many different species or life forms. Scientists estimate that one fourth of all the world's plants and animals could be extinct in just fifty years.

warty
The warty newt has skin covered in bumps and glands that secrete an acrid-smelling substance to dissuade predators.