Oh, please. Spare us. I'm all for contributing to charitable causes, but the cold, hard, fact is that income levels and standards of living are highly relative. If $22 a pound cheese is such an insult to your ethics, should we assume that you: share a studio apartment with five other people; walk to work; eat nothing but beans all day long, and only at the caloric level required to avoid serious illness; wear the same pieces of clothing every single day; don't shower; etc.? And of course, every cent that you spare from these frugal habits is then forwarded to charity?
Given that you're here, using the Internet (which requires a computer, electricity, and an ISP), I'm going to venture that the answer is "no." Which means that, by world standards, you've got a pretty luxurious standard of living yourself. I hope to God you're not using air conditioning and heated water -- think of how many meals that would provide in Eritrea!