The Fall of the Maya: 'They Did it to Themselves'

For 1200 years, the Maya dominated Central America. At their peak around 900 A.D., Maya cities teemed with more than 2,000 people per square mile -- comparable to modern Los Angeles County. Even in rural areas the Maya numbered ...

Humans have caused climate change for 180 years: study

An international research project has found human activity has been causing global warming for almost two centuries, proving human-induced climate change is not just a 20th century phenomenon.

2018-2022 expected to be abnormally hot years

This summer's worldwide heatwave makes 2018 a particularly hot year. And the next few years will be similar, according to a study led by Florian Sévellec, a CNRS researcher at the Laboratory for Ocean Physics and Remote ...

World's largest all-solar-powered boat shines in NYC

The world's largest fully solar-powered boat, "Turanor PlanetSolar," docked in New York on Tuesday during a mission to study the effects of climate change on the Gulf Stream current.

Deep oceans can mask global warming for decade-long periods

The planet's deep oceans at times may absorb enough heat to flatten the rate of global warming for periods of as long as a decade even in the midst of longer-term warming, according to a new analysis led by the National Center ...

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