2.5 billion lost years of life in a decade. Use of "pollution domes" to create a less polluted environment. Those are some of the consequences of the subsidized use of coal in northern China, according to this new study from a global group of researchers, including authors from MIT and Harvard. The Financial Times has the story in short-form. A story on "pollution domes" is here. They combine air scrubbers and domes of the sort used to cover soccer fields and swimming pools.