Deutsche Presse-Agentur: Computing industry leaders claimed Monday a leading role in the fight against climate change, arguing that software could cut world energy use. "Green computing" has been adopted as a theme of the CeBIT computing expo which opens in Hanover, Germany on Tuesday. The US-based Climate Savers Computing Initiative is a partner of the trade fair. IBM Germany chief executive Martin Jetter, who is on the board of the German computing trade federation Bitkom, said software and …