Fossil fuels are themain source of energy around the world. However, people are being encouraged to use alternative energy sources such as wind energy, solar energy and so on. Do you think this is a positive or negative development and why.
The graph below shows the percentage of households with different kinds of technology in the U.S. from 1995 to 1999. Summarize the information by selecting and reporting themain features, and make comparisons whererelevant.