Environmental Technology (ET), part of Sustainabilitylive! is celebrating its 20th anniversary as the UK's biggest industry event within the environmental sector.It forms the largest gathering of suppliers for environmental best practice solutions in the industry, covering the whole spectrum from air pollution control right through to waste minimisation. ET provides access to a large targeted audience including large multinationals, SMEs and the public sector, with 5,270 visitors of Sustainabilitylive! 2010 specifically looking for environmental solutions.