News tagged with global population

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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 ...

Aug 16, 2013
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The intensity of land use doubled in the 20th century

The growth of green plants – which can be measured in terms of "net primary production", or NPP for short – provides the energetic foundation for all life on earth. The share of NPP appropriated by humans (HANPP) through ...

Jun 04, 2013
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Deep refuges 'can help save our reefs'

(Phys.org) —Marine scientists from Australia and the USA today called for global efforts to protect deeper coral reefs as insurance against the widespread destruction of shallow reefs and their fish stocks now taking place ...

May 30, 2013
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UN warns of jellyfish 'vicious circle' in Med

The United Nations on Thursday warned overfishing in the Mediterranean was boosting jellyfish, which reduce stocks further and it called for jellyfish to be used in food, medicine and cosmetics.

May 30, 2013
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EU bans three pesticides harmful to bees

The European Commission said Friday that it will ban for two years beginning in December pesticides blamed for killing the bees that pollinate food and fruit crops.

May 24, 2013
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Seagrass on the decline

(Phys.org) —Seagrass along Moreton Bay will drastically decline as sea levels rise, a University of Queensland study has found. The study, published in international journal Global Change Biology this week, reveals that u ...

May 15, 2013
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Clickable history

(Phys.org) —Geographic information systems – once limited to the domain of physical geographers – are emerging as a promising tool to study the past, as researchers are discovering for medieval history.

May 10, 2013
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