Financial Times: The plodding pace of global talks on curbing climate change is familiar to anyone with an interest in the issue. Governments have spent nearly two decades trying to stem the carbon dioxide emissions scientists say are responsible for global warming, and yet they keep increasing. But what if this changed? What if countries agreed to take more urgent action to cut back the carbon emissions produced by burning fossil fuels such as coal, oil and gas? Or what if nations sped up the individual efforts…