Africa's coastlines are under growing threat as sea levels climb faster than ever, driven by decades of global warming caused by human activity, natural climate cycles, and warming ocean waters.

Since the beginning of January, an unusually long period of easterly winds has caused the average water level in the Baltic ...

Two images claimed to show Australia's Barrenjoey Peninsula almost a century apart are being held up online as evidence that sea levels are not increasing, despite what the available science has ...

Deep drilling beneath Antarctic ice reveals signs that the region was once an open ocean millions of years ago.

Fossil coral exposed in a limestone outcrop above present sea level in the Seychelles. Newly uncovered evidence from fossil corals suggests that sea levels could rise even more steeply in our warming ...

Concern around Lake Mead, a reservoir formed on the Colorado River, and its water levels have been ongoing for some time.

Add Yahoo as a preferred source to see more of our stories on Google. Sea-level rise changes coastlines, putting homes at risk, as Summer Haven, Fla., has seen. Aerial Views/E+/Getty Images When polar ...

Deep in the Arctic north, drained peatlands—once massive carbon vaults built over thousands of years—are quietly leaking greenhouse gases into the atmosphere. But new field research from northern ...

Height above sea level: Mean sea level' is the average level of the sea’s surface. It is used around the world as a standard reference point to measure the height of land, mountains, and cities.