Have students weigh the pros and cons of biomass as a source of energy and describe how biomass energy affects the environment. Hold a class debate on these issues. The amount and sources of energy used around the world vary from country to country. Create another graph for each country that illustrates the sources of energy. Draw conclusions about the use of alternative sources of energy in these countries, based on facts from their research.
Share results with the class.
Ask students to predict the future energy needs of these countries and make proposals for meeting those needs with the least environmental impact. Hydropower is called a renewable energy source because it is replenished by snow and rainfall. Electricity that is generated from water power is called hydroelectric power. Have students contact a local utility to inquire about the process of making electricity through hydropower. Discuss with them the feasibility of using hydropower in your local area.