Global population growth

Two excellent TED talks on population growth.

Primary energy sources

Use the following to help you with your research task:

A good summary of all the Primary Energy Sources

Wikipedia entry for renewable energy

Wikipedia entry for fossil fuels

Wind power in the 'How Stuff Works' website. Other energy sources also on the site

An interesting article  - follow links to others on the BBC site

BBC Energy in the UK mini-site - links to lots of relevant stories (some slightly dated)

A good BBC site on future energy sources