The litmus test: An on-time departure for ICAO’s global market-based measure

The International Civil Aviation Organisation is due to agree, at its triennial General Assembly in October 2016, a global market based (GMBM) mechanism for international aviation emissions. The International Coalition for Sustainable Aviation, a coalition of environmental NGOs which includes T&E, have drafted a Litmus Draft for what an environmentally effective GMBM would contain.