Sun Microsystems has created a new vice-presidential post for eco-responsibility, reflecting the company\u2019s strategy to focus on environmental friendliness as a competitive differentiator. David Douglas will return to Sun to take up the position.Douglas will assume responsibility for the strategy and execution of environmental initiatives across the company, including enhancements to Sun\u2019s products in the areas of energy efficiency, cooling technologies, product recycling and clean manufacturing, the company said. He will report to Greg Papadopoulos, the company\u2019s chief technology officer and executive vice president of research and development.Technology companies including Advanced Micro Devices, Hewlett-Packard, IBM and Sun set up an environmental project called The Green Grid in April. The project aims to reduce power and cooling requirements in computer data centers. The project is to announce next month a formal metric for measuring energy consumption of servers.Douglas returns to Sun, where he worked previously in a variety of senior engineering and technology management positions in both systems and software, including vice president of engineering for Sun\u2019s Solaris operating system. In 2001, Douglas cofounded ConnecTerra, a startup in radio frequency identification\u00a0middleware technology, and when ConnecTerra was purchased by BEA Systems in 2005, he became BEA\u2019s chief architect for WebLogic\u00a0in October 2005.-John Ribeiro, IDG News ServiceFor related news coverage, read Dell Jumps on the AMD \u2018Green Grid\u201d Bandwagon.Check out our CIO News Alerts and Tech Informer pages for more updated news coverage.