Business Green: IT will play an increasingly significant role in companies’ efforts to reduce their carbon footprint in response to the burden of regulation and public opinion, according to a report published recently by tech industry advisory agency Gartner. By 2014, most business cases for new IT systems will factor in “carbon remediation’ advantages, says the report, entitled Gartner top end user predictions for 2010: coping with the new balance of power. Public policy and public opinion …