Andrea Roberts, visiting instructor of chemistry, has introduced "green" techniques into her organic chemistry laboratory sections. Students use fewer chemicals, producing less waste. Posted 06/20/07 At first glance, Wesleyans Organic Chemistry Laboratory doesnt appear much different to the naked eye. But a closer look shows that virtually everything in the lab has changed. Were going green, says Andrea Roberts, visiting instructor of chemistry and Ph.D candidate. Were promoting sustainability and teaching the leaders of tomorrow better ways to do chemistry. Roberts started teaching the organic chemistry lab in Spring 2004, using a routine syllabus. The class had nine weeks of…