1. Alternative energy sources. Why the need?

2. Alternative energy sources. For global development to be both fair and sustainable, the rich world may need to cut energy and resource use by 90% by 2050. How can this be achieved?

3. Alternative energy sources. The use of renewable/alternative energy sources – Wind power Solar power Biomass energy Hydroelectricity Geothermal energy All of which, forms of energy which do not use fossil fuels.

4. Alternative energy sources. Solar power –

5. Alternative energy sources. Biomass energy –

6. Alternative energy sources. Hydroelectricity –

7. Alternative energy sources. Wind power –

8. Alternative energy sources. Geothermal energy –

9. Alternative energy sources. What’s your view of nuclear energy?

10. Alternative energy sources. Nuclear power offers the highest efficiency in energy production compared to other current methods. However, the environmental impact and safety problems resulting from nuclear energy will not solve the energy problem until the critical issue of proper nuclear waste disposal is met.

11. Alternative energy sources. We all know the consequences – Chernobyl.