China has passed the United States as the largest emitter of greenhouse gases, which displeases environmentalists concerned about global climate change. China has subsidized its green energy...

China has passed the United States as the largest emitter of greenhouse gases, which displeases environmentalists concerned about global climate change. China has subsidized its green energy manufacturers, allowing them to dominate key industries, such as solar panels, which displeases advocates of free trade. What would you recommend China do? Should it accommodate its critics? Should it ignore them?