Ecosystem
The Essential Role of Mountain Lions in Engineering Ecosystems
In a new study, a team of biologists highlight the assortment of animals that profit from the free meals provided by the kills of big cats.
Human Beings Have Dramatically Reduced Mammal Populations in the Atlantic Forest
A new study shows that human interactions have hurt the once ecologically "exuberant" and "megadiverse" South American region.
The Threats Facing Bogotá's Valuable Water Supply
Due to farming, coal mining, and climate change, the Colombian capital's unique water ecosystem is disrupting the delicate balance that ensures water for the city.
PS Picks: The Story of Nigel, the Loneliest Seabird in New Zealand
PS Picks is a selection of the best things that the magazine's staff and contributors are reading, watching, or otherwise paying attention to in the worlds of art, politics, and culture.
Could Dust Storms From Africa Be Damaging Ecosystems in the Florida Keys?
It appears that dust blown off the Sahara desert may be initiating harmful bacteria growth in coral reefs across the Atlantic.
The Shrinking Population of Big Animals in Tropical Forests Is Causing Problems
A new study reveals that the loss of larger animals in tropical forests diminishes the overall ecosystem biodiversity of the region.
