July was the planet's hottest month on record—so far

A sizzling month marked by record heat waves, major wildfires, melting sea ice and a burgeoning El Niño will go down in the books as the hottest July on record—at least until next year, federal officials said Monday.

El Nino could imperil Australia's Great Barrier Reef

Australia's Great Barrier Reef could deteriorate if warming ocean temperatures spark another mass coral bleaching event later this year, the country's top marine science body said Wednesday.

Winter storms over Labrador Sea influence Gulf Stream system

The Gulf Stream, which brings warm water from the Gulf of Mexico to Europe and keeps the climate mild, is only part of a larger system of oceanic currents called the Atlantic Meridional Overturning Circulation, or AMOC for ...

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