Therese M. Shea 
Technologies That Help the Planet [PDF ebook] 

With all the dangers to Earth today, saving the planet is on many people’s minds. Engineers and inventors are at the forefront of technologies to combat pollution, reduce waste, and fight climate change. This fascinating and accessible look at exciting green technologies touches on critical STEM concepts relating to our lives today. Solar panels, alternative fuels, and plant-based plastics are a few of the practical applications of science that may inspire the scientists, engineers, and inventors of tomorrow. Diagrams, primary sources, and photographs aid readers in absorbing key ideas from the narrative.