Sentences with phrase «evidenced during the past several years»

Not exact matches

Evidence for the maximum lowering of sea level during successive ice ages over the past several millions of years is sparse.

If we have real - world evidence that temperatures were warmer than today during most of the past 10,000 years (and also during several interglacial warm periods during the past few million years), and if we also have real - world evidence that human civilization thrived during these warmer temperatures and the warmer temperatures did not trigger so - called «tipping points» sending the planet into a climate catastrophe, then we have very little reason to believe that our presently and moderately warming temperatures are now poised to send the planet into a climate catastrophe.

In contrast, global temperature in at least the past two decades is probably outside the Holocene range (7), as evidenced by the fact that the Greenland and Antarctic ice sheets are both losing mass rapidly (8, 9) and sea level has been rising at a rate [3 m / millennium, (10); updates available at http://sealevel.colorado.edu/] well above the average rate during the past several thousand years.