"One of the last great places on Earth" under threat - South Sudan wilderness and war.
US to confirm emissions reduction plan today, ahead of crucial climate summit in December.
Renewable energy investment surges worldwide with 17% increase, says UN report. China invests a record $83 billion. Global increase equates to energy capacity of all 158 US nuclear plants.
Dutch Government facing legal action in landmark case over failing to reduce carbon emissions fast enough.
2015 most crucial year since 1945 says Mary Robinson, UN's special climate envoy. It rivals the task of reshaping the post WW2 global economy.
VIDEO: annual output of oceans = $2.5 TRILLION. That's 7th in list of world GDPs. But it's an economy in collapse due to overfishing, acidification and habitat destruction.
US govt gives Shell approval to restart Arctic drilling for oil and gas saying rigorous safety standards will be enforced. Environmentalists say it could lead to ecological disaster.
Australia announces substantial El Nino event for 2015. First since 2010.