Choking China: The struggle to clear Beijing's air
As pollution levels return to normal in China's capital after a record-breaking month of smog, what can be done to banish the smog?
As pollution levels return to normal in China's capital after a record-breaking month of smog, what can be done to banish the smog?
Late last month the Svalbard Global Seed Vault opened in Longyearbyen, on the Norwegian island of Spitsbergen.
Returning to Africa after a 10 year absence, Chris Reij could barely believe his eyes. On the arid margins of the Sahara in Niger, all he could see were trees.