SHANGHAI -- Two Chinese companies have started trading in rainwater, the first commercialization of an unconventional resource in a move that authorities hope could support the country's "sponge city" projects.
Move could boost 'sponge city' initiative to combat droughts and floods
SHANGHAI -- Two Chinese companies have started trading in rainwater, the first commercialization of an unconventional resource in a move that authorities hope could support the country's "sponge city" projects.