RTCC: United Nations negotiations to contain emissions from planes and ships recommence in Montreal and London this week, with hopes for a global climate change deal in 2015 resting on these two sectors.
Only China, USA, India and Russia emit more atmosphere-warming greenhouse gases than the global contribution of shipping and aviation, which tops 1.6 bn tonnes of CO2 a year.
These talks are difficult given the limited alternatives to each mode of transport and increasing demand around the planet....