This is something i noticed alot when I was teaching in Peru. The country has a huge mining industry but many people cant afford to send their kids to school as the uniforms, books etc. are outside their price range. I was working for a chairity that helped those who had fallen out of the net of the mainstream schooling system to get back into it but which could barely afford books. IE a country that produces some materials that are of increasing value in the light of the economic crisis cant afford to educate its children
Assuming you drink tea or eat chocolate or fruit its also worth thinking about were these come from. Whilst you and I havent "done" anything we are still on the better end of a raw deal. No man is an island as the saying goes.
However its also worth bearing in mind that this isnt necessarily a zero sum game. If we could help third world countries develop their agriculture through things like irrigation [or dare i say it: GM crops] then its easy to see how we could benefit in light of the ever rising price of food.