Sentences with phrase «during the past century alone»

During the past century alone there are several obvious examples to consider.

Not exact matches

If a gain of fifty years of life expectancy during the past thousand years — and a thirty - year jump in the twentieth century alone — has immeasurably improved the quality and security of our lives, why shouldn't we envision similar benefits from much longer lives?

During the last quarter century the rate of diabetes alone has nearly quadrupled in most east and south Asian countries, including China and India, according to South Korean researchers who reviewed past studies in the November 10 Lancet.

It is extremely unlikely (< 5 %) that the global pattern of warming during the past half century can be explained without external forcing, and very unlikely that it is due to known natural external causes alone.

Multi-signal detection and attribution analyses, which quantify the contributions of different natural and anthropogenic forcings to observed changes, show that greenhouse gas forcing alone during the past half century would likely have resulted in greater than the observed warming if there had not been an offsetting cooling effect from aerosol and other forcings.