There are many issues facing the environment that are affected by human actions. As technology continues to progress, more ...
Water is a precious natural resource that we all must work hard to protect. As readers discover where the world?s water comes from, they ...
Recycling is an easy way to help protect the planet. Young readers learn the basics of recycling, including what materials are most ...
Oil spills can spread for hundreds of miles in water. Animals can die if they eat litter. These are just two of the many ways pollution can ...
How does human behavior affect animals, and what can we do to help animals that are endangered? Readers find the answers to these and other ...
Humans have a lasting impact on the natural world around them. Young readers ...