News tagged with global population

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Experts say cellphones are 'possibly carcinogenic'

(AP) -- A respected international panel of scientists says cellphones are possible cancer-causing agents, putting them in the same category as the pesticide DDT, gasoline engine exhaust and coffee.

May 31, 2011
3 / 5 (9) 21

Helping feed the world without polluting its waters

(PhysOrg.com) -- A growing global population has lead to increasing demands for food. Farmers around the world rely, at least in part on phosphorus-based fertilizers in order to sustain and improve crop yields. But the overuse ...

Feb 03, 2011
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Future of food policy should start at home

Long accustomed to plentiful and affordable meat, fish, fruit and vegetables, Australians may have to get used to higher prices as the soaring cost of agricultural staples suggests an era of cheap food is coming to an end.

Jan 10, 2011
not rated yet 1

Cyborgs needed to save species

As the growing global population continues to increase the burden on the Earth’s natural resources, some historians and scientists think humans should prepare to colonize space. The problem is, we may have ...

Sep 16, 2010
4 / 5 (7) 2

Time to change the menu

With global population expected to increase by about 2.5 billion by 2050 even while climate change hits farmlands with shifting rainfall and temperatures, it may be time to rethink what we eat and how we produce ...

Feb 24, 2010
3.5 / 5 (4) 0