How are ocean currents caused, and how do they affect climate? These questions were hotly debated in the nineteenth century. Some argued that water is simply pushed along by the wind; others ...

The world ocean is one of the main constituents of the climate system and affects climate in a multitude of ways. Its sheer size is obvious: 71% of the Earth is covered by ocean, so that most of the ...

Add Yahoo as a preferred source to see more of our stories on Google. The oceans are mostly composed of warm salty water near the surface over cold, less salty water in the ocean depths. These two ...

If global warming shuts down the thermohaline circulation in the North Atlantic Ocean, the result could be catastrophic climate change. The environmental effects, models indicate, depend upon whether ...

Earth's history is replete with wide-ranging climate changes. Analysis of ice core data from Greenland and Antarctica provide evidence that global temperatures have oscillated no fewer than 20 times ...

The oceans are mostly composed of warm salty water near the surface over cold, less salty water in the ocean depths. These two regions don't mix except in certain special areas, which creates a large ...