Question: why are renewable energy sources sometimes called alternative energy sources?

Answer: because they are an alternative to fossil fuels and nuclear energy

Question: why is it important to provide an alternative energy source?

Answer: because fossil fuel will not last forever and it causes pollution and greenhouse emissions and nuclear power has problems with waste disposal and the possibility of accidents

Question: why are alternative energy sources needed?

Answer: to replace fossil fuels, reduce air pollution, and reduce the emission of greenhouse gases

Question: what are some things today that provide people with energy?

Answer: wind, water, wood

Question: what are benefits of renewable energy sources?

Answer: