The Earth is perilously close to several climate "tipping points," a new report released this week said. These points of no return are specific moments when the planet has warmed so much that certain ...

University of Nebraska–Lincoln's S. Kathleen Lyons is providing a new framework—Earth system engineering—for examining how organisms, including humans, have fundamentally altered ecosystems on a ...

The world is on course to trigger several climate "tipping points" if global government policies stay on their current course, according to a new study April 23. These points of no return are specific ...