Canadian Press: An 80-nation conference on food security urged U.N. climate negotiators Friday to consider agriculture when drawing up strategies to fight climate change. The five-day meeting ended with a call to invest in new farming practices that will curb greenhouse gas emissions and will better use currently available land to feed a global population of 9 billion by 2050. About 30 per cent of carbon emissions come from farming, livestock and forest destruction. Despite its huge share of global emissions,…