News tagged with global population

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Wires turn salt water into freshwater

(Phys.org) -- As a rising global population and increasing standard of living drive demand for freshwater, many researchers are developing new techniques to desalinate salt water. Among them is a team of scientists ...

Jun 08, 2012 feature
4.3 / 5 (37) 13 | with audio podcast

Much warmer than the worst-case scenario?

According to a new study, it could become much warmer towards the end of the century than originally anticipated. The study has found that the average temperatures calculated are much higher than the IPCC’s ...

Jul 13, 2011
3.8 / 5 (20) 53

Family planning a major environmental impact

Some people who are serious about wanting to reduce their "carbon footprint" on the Earth have one choice available to them that may yield a large long-term benefit - have one less child.

Jul 31, 2009
4.5 / 5 (16) 86

Crowded Earth: how many is too many?

Already straining to host seven billion souls, Earth is set to teem with billions more, and only a revolution in the use of resources can avert an environmental crunch, experts say.

Oct 23, 2011
4.2 / 5 (10) 144