Gov.-elect Arnold Schwarzenegger has decided to name Terry Tamminen, the head of a Santa Monica conservation group, as his secretary of environmental protection, according to several sources involved in assembling the new administration. Tamminen led a team of advisors who helped Schwarzenegger craft a platform during the race that surprised many environmental activists because of its ambition and sympathy with their positions. The likelihood of the appointment, which could be announced later this week, is being hailed by environmental organizations as a sign that Schwarzenegger may make good on those campaign promises. But some conservative Republicans — including the governor-elect's...