The project aims to establish cell-phone based carbon micro-credit systems, using a simple message service to allow families to monetize the carbon offsets they produce.

WSJ: Unlocking Africa's Energy Potential

To be honest, the Creative Zen Micro or the Rio Carbon are probably the only players that have a shot at dislodging the iPod mini from its lofty perch (and even that's thinking optimistically).

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His not-for-profit organization, Carbon Manna Unlimited, has developed a system of direct micro-payments to rural people who offset their carbon production through the use of high-efficiency stoves.

WSJ: Unlocking Africa's Energy Potential

In the transport sector, the government has implemented the Sustainable Travel Centres scheme and in the business sector it has provided low carbon opportunities to SMEs and micro-businesses.

BBC: Debate on climate change

In most cases it takes these bags two years to break down, allowing even small fragments to be consumed by micro-organisms who are able to access the carbon and hydrogen.

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