Looks at the impact of overharvesting, such as overfishing, on biodiversity. It talks of the 'tragedy of the commons,' where harvesters do not feel responsible for protecting a species because they fish in shared areas. It also touches...

Outdoor air pollution poses a major threat to human health and threatens the ozone layer. Students will examine real time weather data in this extensive unit to learn how air quality is measured, its health impact on at-risk populations,...

The U.S. has enough coal to last for the next 200-300 years. So why are we not using more of it? This article describes the different types or "ranks" of coal, the history, and the problems with burning coal for energy.

This video segment adapted from Last Oasis explores the use of new dams as a way to provide or store water. In the 1990s, the city of Denver was looking for a new source of water for its growing population, and its plan to build a new...

You may have heard of CFCs and how harmful they can be to the ozone layer, but do you know the process that chlorine undergoes to contribute to this destruction? NASA explores this topic and has charted the depletion of the ozone since...

The depletion of marine fish habitats from NOAA affects more than just the fish - it can affect you too! Learn facts about the importance of habitat preservation for science, and for people like you.

Society is beginning to recognize the limited supply of fossil fuels. In this project, students will investigate alternative energy sources. Conservation of resources is discussed and while conservation is an important step, at some...

As many species are going extinct due to healthy habitats being destroyed humans are depleting the world of its natural resources. Understand the repercussions of environmental destruction on species and biodiversity through this interview.

Overfishing is the depletion of a stock of fish by too much fishing. Many people are unaware of the scary facts behind the fish we eat. This animation creates much needed awareness about the ocean's most solvable problem while reminding...

More vacations are being taken in sun laden places this coupled with the depletion of the ozone layer has resulted in the increase in the incidents of malignant melanoma. This comprehensive site delves into the causes, diagnosis, and...

Information on small game hunting regulations in New York State. Discusses types of animals that can be hunted, the kinds of weapons or traps that can be used for each, limits for how many can be caught, the use of falcons or hunting...

[Free Registration/Login Required] An informational text about the depletion of edible seafood populations. A question sheet is available to help students build skills in reading comprehension.

Find out how environmental degradation and the depletion of natural resources induced by human activities have attracted steadily growing concerns in the last decades.

Semiconductors are the materials that make modern electronics work. Learn about the basic properties of intrinsic and extrinsic- or doped- semiconductors with several visualizations. Turn a silicon crystal into an insulator or a...

Learn about the harmful effects on humans of ultraviolet radiation caused by the depletion of the ozone layer.

Article explaining what halocarbons are, where they occur in nature as well as man-made sources, how they are used, and their negative environmental impact. (Published: October 28, 2011)

This resource gives information about the ozone hole over Antarctica. There are movies, virtual reality models, explanations and photographs. QuickTime plug-in optional.

Read about the life of Mario J. Molina, winner of the Nobel Prize in Chemistry for discovering the danger that chlorofluorocarbons presented to the Earth's ozone layer long before anyone else recognized it. Includes a profile, videos,...

Students learn about electricity and air pollution while building devices to measure volatile organic compounds (VOC) by attaching VOC sensors to prototyping boards. In the second part of the activity, students evaluate the impact of...

Deals with ozone hole and related atmospheric issues and research. Has a multimedia tour of the ozone hole and many related links.

Part of a larger site on the environment in general, the site concentrates on air, air pollution, and climate change. From the European Union.

A comprehensive guide to climate change in Canada. This site offers both a national look and then looks at the implications of climate change on specific regions and provinces.

A snapshot of what the world would be like if it lost crucial natural resources such as water, oil, and trees. Lists the causes and consequences, and ways people can make a difference.

A lesson plan that will help teachers learn more about ozone and guide students in a graphing stratospheric ozone. The lesson plan includes four parts, an introduction, links to ozone chemistry and two links for graphing activities.