There's no time for another Copenhagen
Whatever the outcome at Lima, climate change is happening - and needs to be tackled
Zimbabwe triples cost to sell groundwater
As private sales of water grow, Zimbabwe moves to protect its groundwater supply
Star Philippines negotiator kept at home as U.N. climate talks begin
Naderev "Yeb" Sano says he has not received approval to travel to Lima
Soggy weather takes a bite out of cocoa income in Cameroon
Unusually wet weather means drying cocoa beans - and proving they are dry - is getting harder
As tides rise higher, can mangroves hold on?
Researchers dig in to find out
At climate talks, UN calls fossil fuels 'high risk' investment
Meeting in Lima opens with hopes that UN deal to slow climate change is in reach for 2015
Journalists grapple with complexities of covering slavery
Reporters from Mexico to Romania find that modern-day slavery is about more than sex trafficking and simple statistics