TY - SER AU - Bossley,Liz TI - Weighing up the options KW - Emisiones gaseosas KW - Gases del efecto invernadero N2 - The first year of the European Union's (EU) Emissions Trading Scheme (ETS) is drawing to a close. Emissions of greenhouse gases in 2005 are close to being verified and installations affected by the scheme are close to being verified and installations affected by the scheme are counting the cost of compliance ER -