Guest article written for AllAboutAlpha.com – the official publication of the  Chartered Alternative Investment Analyst (CAIA) Association Originally posted at: http://allaboutalpha.com/blog/2012/04/30/a-life-changing-600-million/ Impact Investments are a maturing asset class.  These are investments that go beyond financial return to deliver a measurable positive social or environmental impacts for the beneficiaries they affect.  JP…