From 1 January 2012, the world's first multi-country, legally-binding measure to reduce aviation emissions came into force when airlines were brought into the European Union Emissions Trading Scheme (EU-ETS). But more needs to be done to tackle aviation pollution, which has doubled in the last 20 years. T&E is working for an end to VAT and fuel tax exemptions, fuel efficiency standards for planes and global climate measures for the sector.