<DIV><DIV>Investigating a variety of biomes and today's natural and human threats to their preservation, this interactive series challenges young readers to look at how their own actions influence the planet's health. Four distinct environments are explored in detail, showcasing the assortment of plants and animals that inhabit these outdoor communities as well as how they have adapted to their surroundings. Offering fascinating facts on each ecosystem along with vocabulary-building sidebars, these guides show budding scientists how they can contribute towards ongoing conservation efforts.</DIV><DIV> </DIV><DIV><DIV>Showcasing one of the environment's most valuable biomes, this overview centers on the planet's rain forests, reviewing the greenhouse gases and the accelerating extinction of species that jeopardize this vital ecosystem's future.</DIV></DIV></DIV>