Encyclopedia of Earth
Encyclopedia of Earth: Ddt
Information about the insecticide DDT, a toxic chemical that was used widely in World War II and later, and is still used in some countries today. It has had far-reaching effects on the environment, as it is carried long distances by air...
![Indiana Univ. Bloomington: Reference Documents: Pyrite "Fool's Gold" [Pdf] Handout](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Indiana Univ. Bloomington: Reference Documents: Pyrite \"Fool's Gold\" [Pdf] Handout")
Indiana University
Indiana Univ. Bloomington: Reference Documents: Pyrite "Fool's Gold" [Pdf]
A fact card describing the properties and characteristics of pyrite, where it is found, its effects on its immediate environment, its chemical structure, and where it fits on Mohs hardness scale.
US Fish and Wildlife Service
Chlorinated Hydrocarbons (Organochlorines) Ddt
Read a brief history of the use of DDT in the United States, its effect on wildlife, and the banning of the toxin in 1972 by the EPA.
US Fish and Wildlife Service
U.s. Fish and Wildlife Service
Outlines the role of the Fish and Wildlife Service in protecting, conserving, and researching the fish and wildlife of the United States. Includes information about the role of DDT and its environmental effects.
US Environmental Protection Agency
Epa: Secret of Bog Creek
This site has a user guided story about a bog that has been a secret dumping ground for waste.
Other
American Council on Science and Health
The American Council on Science and Health provides headline health news as well as publishes its latest findings on important health and environmental topics.
CK-12 Foundation
Ck 12: Earth Science: Cleaning Up Groundwater Study Guide
This comprehensive study guide covers the main terms and concepts needed for an earth science unit on cleaning up groundwater. Review questions are included at the bottom of the study guide.
Science Struck
Science Struck: Interesting Facts About Neon
Presents some facts about the element Neon, its chemical properties, some ways it is used by humans, and its effects on the environment and on humans.
Other
Solar Schools: The Advantages and Disadvantages of Renewable Energy
One major advantage with the use of renewable energy is that as it is renewable it is therefore sustainable and so will never run out. Renewable energy facilities generally require less maintenance than traditional generators. Their fuel...