Conservation

Parasites play an outsize role in balancing ecosystems, and some species may be in danger

The dramatic loss of tree cover in the tropics and northern boreal forests is releasing vast amounts of carbon dioxide

The president is issuing an executive order requiring the federal government to catalog the nation’s biggest trees

Achieving the 30x30 goal, as it is known, requires much more than declaring more national parks

Veterinarians and rabbit owners are racing to protect bunnies as a hemorrhagic disease spreads

Maps of the journey show the importance of conserving vast, unfenced landscapes to aid the survival of Mongolian gazelles

Data show alarming declines in wildlife but also point to ways to save it

Radical reconstruction in Seattle is bringing nearly dead urban streams back to productive life

It is losing its ability to recover from disturbances such as drought, wildfire and human development, researchers say

Climate-driven mismatches in the life cycles of plants and animals were also cited as a major concern

The country’s audacious predator-eradication drive gains ground

Turtle eggs feed the dunes in which they are laid and serve as a reminder of how humans conservation efforts reap positive effects