Mobile phone and satellite data to map poverty

An international team has, for the first time, developed a way of combining anonymised data from mobile phones and satellite imagery data to create high resolution maps to measure poverty.

Getting a global grip on gasoline taxes

When 195 nations joined to fight climate change in the 2015 Paris Agreement, leaders hailed the occasion as "historic" and "a tremendous victory."

Trophy hunting may be a key to saving wildlife

The world may need to allow controlled trophy hunting of elephants, lions and other animals if it wants to keep its endangered wildlife, an environmental scientist says.

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