For more than 20 years, international climate talks have been dominated by a schism between those who created the problem of climate change (largely the United States and nations of the European Union) and those who would greatly contribute to it moving forward (largely China and India). But as climate negotiators meet in Lima, Peru, this week and next, and news reports are full of gloomy predictions that the negotiations will produce little, there are increasing signs that this stalemate may have been broken. This emerging shift is due in large part to China and its decision to break ranks and join the United States in making commitments to reduce greenhouse gas emissions. One critical question now is whether India — the country that has stood by China’s side in climate talks and is now the world’s third-largest emitter — will follow suit in a meaningful way […]