Paul Andersen explains how economic models, like supply and demand, can be applied to environmental systems. The market forces will not protect environmental services until proper valuation and externalities are established. The wealth...

Bill Nye shows how to live in a more sustainable world, and compost our food waste. [4:26]

A teacher-made video on structures that are found in the natural world or made by people. The teacher pauses periodically for students to consider questions that she asks. [4:11]

We often talk about "being green" when we take actions that are environmentally-friendly. Green and healthy actions reduce environmental impacts, improve health and wellness for people and the planet, and increase our understanding of...

What does it mean to be an environmentalist today? Has the environmental movement grown too accommodating with the passage of time? [23 mins. 34]

Next week marks the 40th anniversary of Earth Day. Has it made a difference? [23 mins. 46]

This toilet floats. You have to see it to believe it. Learn how rainwater and human waste can be converted to plants and clean water in a paddle-boat-toilet. It's a zero-waste waste disposal system that's discussed in this video and...

A simple drawing lesson set to music where the artist draws, labels, and colors things found in the natural world and things made by humans. Could serve as a good model for young students. [4:11]

We see many living and non-living things around us. Some of them are living things and the others are non-living things. Certain non-living things like mountains, rivers, clouds, rain are also natural. [3:35]