Biology

Global access to knowledge about life on Earth.

Water, Science and Issues encompasses topics in three broad subject areas: policy and management; oceans; and fresh water. With approximately 425 color illustrations, it covers all important water science concepts and current issues and highlights major historical developments and key figures. -- This reference work spans a wide range of topics surrounding the nature, sources, use, protection and waste of water as a resource.

The Encyclopedia of Global Change is an online resource that contains over 300 articles covering diverse issues in natural and human-made changes in both the earths human natural environments. The article topical content includes: ecosystems, geography, technology, climate change, food supply, water production and consumption, population, atmospheric sciences, and global change.