Celebrate Earth Day
How do you plan to celebrate Earth Day? Do you have suggestions for ways people can raise awareness of environmental issues or start solving some of the problems we face?
All About Earth Day
Are you wondering what Earth Day is, when it's celebrated, and what people do on Earth Day? Here are the answers to your Earth Day questions!
Chemistry of Autumn Leaf Color
Why do leaf colors change in the fall? What causes the different colors? It's mostly a matter of photochemistry rather than of temperature. Find out more!
Colored Snow Photo Gallery
Have you ever wondered what colored snow looks like? Colored snow commonly occurs in green, red, orange and yellow. It usually results from the growth of algae in the snow or from the presence of air pollutants. Here's a photo gallery of colored snow images.
Take a look at the Big Island of Hawaii from a chemistry perspective.
How To Remove Fluoride from Drinking Water
This is a list of methods that can be used to remove fluoride from drinking water. There's also a list of methods that do not remove fluoride and suggestions for ways to minimize fluoride exposure. References for the fluoridation controversy are included.
How to Dispose of Mercury
Mercury is an extremely toxic metal that is found in fluorescent light bulbs, mercury thermometers, and other household items. If you break a thermometer or a mercury-containing bulb, it's important to dispose of the mercury properly so that you don't accidentally poison yourself or contaminate the area with mercury.
Water Filters that Remove Fluoride
This is a compilation of online vendors and manufacturers of water filters designed to remove tap water. A variety of filter types and price ranges are covered. Tabletop, undersink, and refrigerator models are all available.
What Is the Chemical Composition of Air?
Learn about chemical composition of the Earth's air. Percentages of the most common compounds are given, according to volume.
What Is Activated Charcoal and How Does it Work?
Activated charcoal isn't the same as your average barbeque briquette! It's a special type of carbon. Learn what activated charcoal is and why it is used in filters and medicines.
How Much Oxygen Does One Tree Produce?
You've probably heard that trees produce oxygen, but have you ever wondered just how much oxygen one tree makes? The amount of oxygen produced by a tree depends on several factors, but here are some typical calculations.
Arctic Monitoring and Assessment Programme (AMAP)
This comprehensive website describes the objectives of AMAP, presents information and results of AMAP's assessment of the Arctic with respect to pollution, contains GIS and other data, offers their documents online, and includes a directory of project descriptions, additional resources, links, and more.
This US Geological Survey site discusses what bioremediation is, why it is needed, and technology transfer. Several bioremediation case studies are described.
Canadian Institute for Environmental Law and Policy (CIELAP)
The website includes a searchable database, description of the Institute, news, publications, research, employment opportunities, and contact information. There is an online order form for books and reports.
Chemical Information Page
Extensive databases include general chemicals, drugs, and environmental hazards. Visualization of structures requires Chime plug-in. From Specialized Information Services, US National Library of Medicine.
Plant and Soil Chemistry - Science Fair Project Ideas
Here are some science fair project ideas that involve plants and soil chemistry. Are you looking for an environmental science project? Check here!
Photosynthesis Basics - Study Guide
Photosynthesis is the name for the set of chemical reactions used by plants and other organisms to make food from sunlight, carbon dioxide, and water. Here's a look at the process and study questions to help make sure you understand the key concepts.
What Is Earth Day?
Find out what Earth Day is all about, when it is, and how it started.
Pollution Science Fair Projects
This is a collection of ideas for pollution and green chemistry science fair projects.
News stories, events, legislation, and guidance regarding environmental concerns in the United Kingdom.
This is non-profit, public interest environmental law firm. Major topics on this site include air, forests, health and communities, international issues, oceans, public lands, water, and wildlife.
What Is the Greenhouse Effect?
Learn what the greenhouse effect is and how it is related to climate.
Dynamics of ecosystem science. Requires paid subscription.
What Is a Heavy Metal?
Find out what a heavy metal is and get examples of heavy metals.
Information relating to air pollution, drinking water, hazardous waste, etc. From the US Environmental Protection Agency.
This comprehensive About.com website includes information on air pollution, acid rain, ozone depletion, water pollution, climate change, mining, hazardous and nuclear waste, and many other chemistry-related environmental issues.
What Is the Coastal Dead Zone?
The coastal dead zone makes news headlines from time to time because it's implicated in fish death and may be a consequence of global warming and pollution. Do you know what the dead zone is?
The Legal Information Institute (LLI) offers an overview of environmental law and lists federal (US) statutes, federal agency regulations, federal judicial decisions, state statutes and regulations, state judicial decisions, international conventions and treaties, and links to other resources.
What Is the Difference Between Steam and Smoke?
Smoke and steam may appear to be the same, but they are quite different. Learn how to tell the difference between steam and smoke.
When Is Earth Day? - When Is Earth Day Celebrated? - When Do We Celebrate Earth Day?
Are you confused about what day Earth Day is celebrated? That's because more than one day could be considered Earth Day.
What Was Project Stormfury? Can Cloud Seeding Dissipate Hurricanes?
One way scientists have tried to lessen the severity of hurricanes is by seeding the clouds with silver iodide. This research program was Project Stormfury. Learn whether cloud seeding worked and why the program was discontinued.
Food and Drug Administration (FDA)
The FDA is a branch of the US Department of Health and Human Services. This page is a jumping point to all of the numerous products, regulations, and studies.
Why Is the Ocean Blue?
Have you ever wondered why the ocean is blue? Have you ever wondered why the ocean is sometimes another color, like green, instead of blue? Here's the science behind the color of the sea.
National Council for Science and the Environment
Facilitates environmental decision-making processes using current scientific information. Includes the National Library for the Environment.
Particle Analysis in Environmental and Biomedical Samples
Scanning electron microscopy and energy dispersive X-ray analysis in microparticle identification. From the State University of New York, Upstate Medical University.
Plastics, metals, and other chemicals for trade or recycling.
Safe Drinking Water Query Form
From US EPA. Search the US for violators of the Safe Drinking Water Act.
Environmental education and protection organization.
US Environmental Protection Agency (EPA)
This page describes the EPA and serves as a launching point to environmental topics, articles, legislation, and studies.