Market-based policy tools like the emissions trading system are a new endeavor for China, which has generally relied on command-and-control policies to regulate the environmental protection since the establishment of pollutant discharge fees in 1978. However, new approaches became more pressing as air pollution rose to be a major focus of Chinese society starting in 2008 and concerns about climate change issues increased over time.
Read MoreThis week, ExxonMobil estimated that methane leakage from its oil and gas oil field activities should fall by 30 percent by 2025 –contributing to a total decline of 12 percent company wide -- as it brings its overall carbon intensity targets for methane and flaring emissions down 40 to 50 percent. That target is unacceptably modest, even compared to its peer oil companies. But ExxonMobil’s lack of climate ambition is symptomatic of a larger problem. The United States and Europe will need to align methane policies.
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