Kategoria BISAC: Juvenile Nonfiction >> Science & Nature - Environmental Science & Ecosystems

Global warming is one of the most talked about science subjects today.
Maybe you have seen pictures of polar bears or other animals stranded atop floating chunks of melting ice. Perhaps you have heard about or lived through extreme weather--hurricanes, floods, water shortages, heat waves, or electricity blackouts.

Many of these events can stem from the world getting warmer. As that happens, the climate changes, too. This book helps young readers understand the sciences used to study global warming.

Each chapter addresses specific questions about why the temperatures of the earth's...

Can you power a car with pond weed? In searching for alternatives to fossil fuels, scientists are like detectives. They pursue clues--including investigating algae as a possible new energy source.

This book takes young readers inside laboratories to watch as scientists grapple with finding safe and cost-effective ways to harness alternative energy sources. Solar, wind, nuclear, geothermal, and biomass are discussed, and also introduced are futuristic technologies on the cutting edge of research today.

Thaddeus shares her conversations with scientists and plunges young readers into the...