www.investopedia.com has an article concerning online courses about socially responsible investing. The course is done by email, and seems to be somewhat respected.

"The purpose of socially responsible investing is to maximize financial return while providing social good. Sometimes socially responsible groups aim for investing that benefits the environment, consumers, human rights, and minorities. They also tend to avoid investments related to items such as alcohol, tobacco, gambling, weapons, etc."

stockholders with an interest in socially responsible investing

When investors buy into companys with ethical practices they support

Companies practicing socially responsible investing principles will not usually consider tobacco companies or those involved with genetic engineering of foods. They may also exclude alcohol firms.