Humanity faces an "existential crisis" caused by its rapacious destruction of life-sustaining nature, UN chief Antonio Guterres warned delegates Tuesday at a major biodiversity summit in Colombia. The ...

Global destruction of nature has reached unprecedented extremes. As the United Nations two-week COP16 biodiversity summit kicks off on Monday in Cali, Colombia, here is what you need to know about ...

On April 21 managing engineers at Denver Water announced they were going to drain Antero Reservoir, the first water body in that public agency’s chain of reservoirs comprising its massive mountain ...