Does anyone have a recommendation for a charity with demonstrable results in improving the lives of people in a measurable way?
http://givewell.net/ investigates charities to make sure they achieve demonstrable results, they have a list of those that do. There are also meta-charities like GiveWell and the MIT Poverty Action Lab that investigate other charitable attempts.
http://metatalk.metafilter.com/15547/GiveWell-or-Give-em-Hel...
Summaries: http://mssv.net/wiki/index.php/Givewell
They got caught out because they were blatantly astroturfing for themselves and slagging 'competing' charities all over the web. Then it turns out that even by their own generous accounting, more than half of their funds goes directly to their own overhead. On top of that, their 'research' is at best based on getting charities to rigorously assess themselves.
Their rubberstamp board publicly (in the NYT) pretended to fire one of the founders, but less than a year later he was quietly back at his old position.