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Water scarcity's effect on food production means radical steps will be needed to feed population expected to reach 9bn by 2050

Senior doctors today published a report warning that climate change is the biggest threat to global health of the 21st century. Rising global temperatures would have a catastrophic effect on human health, the doctors said, and patterns of infection would change, with insect-borne diseases such as malaria and dengue fever spreading more easily.

"Somalia famine in 2010-12 'worst in past 25 years'"

India, USA, Australia, Germany in focus

Colombia's government proudly claims that it is the biggest producer of biodiesel and ethanol in Latin America after Brazil, but human rights groups do not share that enthusiasm.

good for using with resources and population growth type questions