I highly recommend following the
It is produced by David Dornfeld, head of the Mechanical Engineering Department and Laboratory for Manufacturing and Sustainability at the University of California, Berkeley. This subject is most important as we head into a world of global climate change. Here's the blog's summary description:
Commentary, information and resources related to green manufacturing, sustainable manufacturing and sustainability in the US and abroad. Based on information from a variety of sources (web to print) and including technical information from researchers in the field as well as researchers at the University of California in the Laboratory for Manufacturing and Sustainability (LMAS - lmas.berkeley.edu).