Alternative energy sources

The Science at the Edge series looks at developments and theories that are widespread popular interest and may give rise to controversy and concern. It highlights science that is relevant to the lives of many people, includes provocative discussion themes. Make up your own mind about these cutting edge topics. Alternative Energy Sources looks at different options for replacing fossil fuels. It explores how the energy potential of oceans can be captured using wave power generators, how solar energy could be captured with solar paint and solar satellites, and how nanocrystals boost photovoltaic cell change. It discusses the environment concerns surrounding genetically modifying crops for use as bio fuels, whether or not all cars could run on hydrogen fuel cells, if nuclear power is safe and how underwater kelp forest could be the key to boosting bio gas production.