Energy use is one of the key issues of our time. People have traditionally relied on fossil fuels, including oil, coal, and natural gas. There are growing concerns, though, about the pollution caused by these energy resources. In addition, these sources of energy are nonrenewable. That is, they can be used up. Countries around the world are exploring ways to use renewable sources of energy, such as solar power. Energy Resources examines the role of traditional sources of energy and the development of alternative energy resources.

SKU	266972
Autor	NATIONAL GEOGRAPHIC LEARNING
Editora	CENGAGE LEARNING DIDATICO
ISBN	9780736297608
EAN	9780736297608
Categoria	Didáticos
Assunto	Ensino de Língua Estrangeira
Páginas	32
Número da Edição
Ano da Edição	2014
Encadernação	brochura