Sentences with phrase «reduced over the course of this century»

Not exact matches

Before it was dammed over the course of the 20th century, the Colorado River emptied into the Gulf of California and formed a large estuary; now, the freshwater has been reduced to just a trickle.

And over the course of the century, he added, carbon dioxide levels will still have to be reduced to prevent further warming.

Over the course of the twentieth century, Hansen and other climate scientists rierslot.net estimate aerosols may have offset global warming by as much as 50 percent by reducing the amount of sunlight reaching the surface.

The Nature study suggests that global warming will mix growing amounts of higher, drier air with ocean clouds over the course of the century, thinning out the clouds and reducing their cooling effect.