The Mexican salamander revered by ancient Aztecs and modern geneticists is in the fight for its life as numbers outside captivity drop. A group of biologists and conservationists are working to preserve its habitat on the outskirts of Mexico City.
As islanders continue to rebuild their lives after last year's hurricane Maria, scientists are focusing on preserving wild species like the Puerto Rican parrot. More than half of the vulnerable species disappeared in the storm and most of its habitat was destroyed.
From Amsterdam to Barcelona, European cities are working hard to reduce their carbon emissions. But some of the necessary high-tech measures, such as solar panels and electric cars, are expensive, and officials worry that those unable to pay will be excluded.
The International Union for Conservation of Nature has declared that the species is "endangered," but no longer "critically endangered." Their modest rebound in Rwanda, Uganda, and Congo is a much needed success story among wildlife conservation efforts.