Another drugmaker from Europe, where governments are concerned about the effects of climate change, has achieved an aggressive goal to walk more softly on the earth. Vetter says from this point forward, all of its nine German sites will be powered by CO2 neutral energy from certified renewable energy sources. The Ravensburg, Germany-based CDMO, which says sustainability is a pillar of its corporate credo, has four manufacturing sites in Germany, as well as a site for visual inspection and logistics and four administrative facilities.