 LONDON, United Kingdom--BUSINESS WIRE--Liberty Global Liberty Global NASDAQ: LBTYA, LBTYB and LBTYK, one of the worlds leading converged video, broadband and communications companies, has further demonstrated its commitment to sustainability by signing on as a founding member of the European Green Digital Coalition. The coalition has been set up by the European Union to support the use of digital technologies as a key enabler for climate action, environmental sustainability and helping 