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"If your habits resemble those of average Americans, you generate about 4.6 pounds of solid trash per day. This adds up to big trouble for the environment. Americans are generating waste products faster than nature can break them down and using up resources faster than they can be replaced. How can we find ways to meet our current economic and social needs without compromising the ability of our children, and our children's children, to do the same? Our success will depend on understanding the difference between * Sustainable practices: practices that provide ongoing economic and social benefits without degrading the environment. * Unsustainable practices: "quick fixes" that fill an immediate need for resources. Over time, however, these practices deplete or damage natural resources so they cannot be used or enjoyed by future generations. In this exhibit, you can find out how to improve next year's environmental record. You'll learn how waste is handled now and how some communities are doing it better. In the activities, you can test your knowledge about hazardous waste we generate in our homes and try to shrink a landfill. "

"an award-winning website with natural science content and materials for educators, students, and parents. "

Our knowledge of the many life-forms on Earth - of animals, plants, fungi, protists and bacteria - is scattered around the world in books, journals, databases, websites, specimen collections, and in the minds of people everywhere. Imagine what it would mean if this information could be gathered together and made available to everyone - anywhere - at a moment's notice. This dream is becoming a reality through the Encyclopedia of Life. Our Vision: Global access to knowledge about life on Earth. Our Mission: To increase awareness and understanding of living nature through an Encyclopedia of Life that gathers, generates, and shares knowledge in an open, freely accessible and trusted digital resource.

"Here, you can: » Learn what makes green schools better for students. » Learn about local, state and federal initiatives to promote and support green schools » Learn about LEED, the national benchmark for high-performance schools. » Find videos, research, case studies and other resources. » Read the most recent green schools news. » Get involved "

"This Web site is dedicated to the idea that the very nature of information is changing, practically before our eyes. It is changing in what it looks like, where we find it, what we look at to view it, what we can do with it, and how we communicate it. Here you will find information and tools designed to help us redefine literacy for the 21st Century. "

The Pics4Learning collection consists of thousands of images that have been donated by students, teachers, and amateur photograp "Below is a categorized list of images found in the Pics4Learning collection. The number in the parentheses indicates the number of sub-categories for that topic. * American Sign Language (2) * Animals (50) * Architecture (11) * Art (10) * Backgrounds (7) * Biomes (5) * Careers * Countries (61) * Culture * Dinosaurs * Education (4) * Flags * Food (10) * Fractals * Geography (19) * Hall Goes Snorkeling * History (17) * Holidays (9) * Illustrations (11) * Literature * Living (7) * Maps (2) * Mike Goes Diving * Missions (13) * Monuments and National Parks * Music * National Parks (15) * Native American * Natural Disasters (6) * Objects (4) * Oceans (7) * Olympics * Parts of Your Body * Photography of Brian R. Page (6) * Photography of Kenneth G. Ransom (7) * Photography of ManYee DeSandies (43) * Photography of Steve Canipe (15) * Plants (6) * Religion * Schools * Science (6) * Signs * Space (5) * Technology * Tools and Machinery (2) * Toys * Transportation (5) * United States (58) * United States Symbols (50) * Weather (8)"

""Imagine an electronic page for each species of organism on Earth..." - Edward O. Wilson "

"November 15 is America Recycles Day. In recognition of this special occasion, we are pleased to introduce the Trash Matcher. Click on the type of waste materials listed to quickly find the art/recycling activities which call for them."

"The rain stick is a percussion instrument made from a dried cactus branch. It originated in Chile, South America where tribesmen have used the sticks for centuries to serenade the gods in hopes of bringing rain. Only wooden skeletons are used in creating rain sticks, and removing the old, dead growth provides room for new vegetation in dense cactus forests. "