Suggests activities and experiments for understanding global warming, causing a smaller power footprint, and using solar and wind power, and spotlights young activists.

Discusses solar, wind, biofuel, hydro, and geothermal energy sources. Everyone is looking for ways to expand our sources of renewable energy-- but which system is best? What is "renewable" energy, and what are the pros and cons of each source? Sneideman and Twamley introduce you to solar, wind, biofuel, hydro, and geothermal energy. They also provide hands-on activities and links to online primary sources.

Uses slave narratives, letters, diaries, military orders, and other documents to chronicle the various stages leading to the emancipation of slaves in the United States.

From an acclaimed Scientists in the Field author comes the electrifying story of the scientists and engineers who are working to transform ocean waves into electricity in hopes of generating a cleaner, more sustainable power source.

"Five months after the election of Abraham Lincoln, which had revealed the fracturing state of the nation, Confederates fired on Fort Sumter and the fight for the Union began in earnest. This documentary reader offers a firsthand look at the constitutional debates that consumed the country in those fraught five months. Day by day, week by week, these documents chart the political path, and the insurmountable differences, that led directly -- but not...

From critically acclaimed Eastern Front expert Prit Buttar, this is the engrossing story of the German resurgence after the battle of Stalingrad. Containing haunting first-hand accounts of the horrors of life on the front line, this gripping narrative reveals in startling detail the story of a bitter struggle for survival against terrible odds. The battle of Stalingrad was the turning point of World War II. The German capture of the city, their encirclement...