- 22 countries back a charge on shipping industry GHG emissions at Paris summit.
- List of supporters includes France, Spain, Norway, Portugal, and the European Commission.
- Shipping industry responsible for about 3% of man-made CO2 emissions.
- US and China not yet among supporters.
Carbon Tax for Ships Is Supported by 22 Countries at Paris Summit
France and Spain are among the nations giving their support for a levy on shipping emissions.
