Extreme heat hurts wheat yields as world warms-study

David Fogarty

SINGAPORE, Jan 30 (Reuters) - Extreme heat can cause wheat crops to age faster and reduce yields, a U.S.-led study shows, underscoring the challenge of feeding a rapidly growing population as the world warms.

PHILIPPINES: Geo-hazard maps go public

MANILA, 31 January 2012 (IRIN) - The Philippine government has made geo-hazard maps, which outline areas prone to natural disasters, publicly available in a bid to reduce vulnerability at community level.

Images from space track relentless spread of humanity

cnn

Produced by Mairi Mackay, CNN and George Webster, for CNN, Built by Matt Barringer, CNN

The past century has been defined by an epic migration of people from rural areas to the city. In 2008, for the first time in history, more of the Earth's population was living in cities than in the countryside. The U.N.

Banking against Doomsday

Gene banks represent an overdue push to preserve crop biodiversity. It also needs conserving on farms

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