内容简介：
Global climate change and the growing energy crisis are key twenty-first century issues that students of all ages need to understand. This Spanish-language series examines the alternate energy sources that may light our homes or power our cars in the future, and also looks at the future of conventional fuels. This series uses authentic language to teach ELL students about the cutting-edge ways in which each resource is harnessed to create energy and the impact each energy source has on the global environment.