Drugmakers have paid ever-increasing attention to the environmental impact their manufacturing operations have, looking for ways to lower their carbon footprint and to be improve energy efficiency. Toward that end, France's Sanofi ($SNY) said today that it has a three-year deal to have SUEZ environment improve the environmental and cost performance of its manufacturing sites globally. In particular, it will work on water management and waste treatments systems. It has already started on two projects at Sanofi manufacturing sites in Saint-Aubin-lès-Elbeuf and in Sisteron, the company said in a release. Other companies have been designing manufacturing plants to reuse waste and cooling water and use energy efficient design to cut their impact. Biogen ($BIIB) last month announced that through a variety of efforts it had reached carbon neutrality. Release | More