One route to reducing pollution in some smoke-laden Chinese cities (Solutions October 21) is to exploit the geothermal energy in volcanic areas, such as the hot water that has bubbled up to the surface at Xingcheng in Liaoning Province in north-east China since the Tang dynasty.
Only logged in subscribers have access to it.
Existing subscriber? LOGIN or
Subscribe for unlimited access to:
Alternatively REGISTER for free access on selected stories and sign up for email alerts