Business Green: As a committee assembled to discuss the future of nuclear waste disposal in the US, a bipartisan group of congressmen has obstructed the closure of a controversial project designed to tackle the problem. The Blue Ribbon Commission on America’s Nuclear Future, announced in January by energy secretary Steven Chu, convened late last week to discuss the future of the nuclear energy sector in the US following the Obama administration’s closure of the Yucca Mountain project. Yucca …