News tagged with global population

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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 to alter human ...

dateSep 16, 2010 in Space Exploration
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Changing climate can affect fish fertility

(Phys.org) -- Warmer water temperatures can greatly increase the reproductive capacity of the widely distributed pest fish species gambusia, or mosquito fish, a new study has found.

dateApr 10, 2012 in Ecology
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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 ...

dateFeb 03, 2011 in Environment
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How pesticides change the environment

The number of humans on the planet has almost doubled in the past 50 years ‒ and so has global food production. As a result, the use of pesticides and their effect on humans, animals and plants have become more important. ...

dateAug 16, 2013 in Ecology
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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 food, according ...

dateFeb 24, 2010 in Environment
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