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One year on from the earthquake that devastated Haiti, One Planet speaks to an aid worker and an author based in the capital Port-au-Prince about the role of charities in helping rebuild the country. Thousands of organisations raced to help in the aftermath of the disaster - armed with billions of dollars in donations to spend on vital medical supplies and reconstruction materials. But many locals and aid workers are frustrated at an effort they see as disjointed and uncoordinated.

Eric Klein, founder of the group Can-Do, and Tim Schwartz, author of the book 'Travesty in Haiti' speak to Mike from Port-au-Prince about the failure of the helpers, and the unhealthy competition that exists between charities on the ground.

Also in the show, we examine the reasons behind the latest sharp rise in food prices; go shopping for rice in Veitnam and Mike has a go at making money on the commodity markets. As ever, tune in, have a listen and then let us know what you think. Email the team at oneplanet@bbc.com, or if you're a Facebook fan, join us there - the link's below.