"An examination of the laws, treaties, and agreements made by nations, states, and organizations in efforts to protect the environment at local and global levels and contribute to a healthier planet"--Provided by publisher.
"An examination of the resources humans use to create energy, exploring fossil fuels' impacts on the environment and discussing cleaner, more sustainable options that may contribute to a healthier planet"--Provided by publisher.
"An examination of the endangerment and extinction of certain animals, exploring how wildlife in general affects Earth's biodiversity and balance, as well as how animals contribute to a healthier planet"--Provided by publisher.
"An examination of the shrinking supplies of freshwater resources, exploring how water has been polluted, diverted, and over-consumed, as well as how better water management contributes to a healthier planet"--Provided by publisher.
"An examination of the various types of waste produced by people, exploring how much of it exists and where it goes, as well as how waste can be remade into useful items to contribute to a healthier planet"--Provided by publisher.