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Ryan Burbary is owner of Velociti Tennis, a �Ǹ�Թ�-based company committed to limiting single-use plastics and incorporating biodegradable technologies for products.

The first Earth Day was held across the United States on April 22, 1970. It motivated student organizers at CU �Ǹ�Թ� to push for an institution dedicated to sustainability and later that year the Environmental Center was born.

All work, extra play.

This fall Sierra Club’s magazine named CU �Ǹ�Թ� the top “green” university in the nation, a jump up from its No. 2 ranking last year.

Like more than 900 cities, �Ǹ�Թ� has voluntarily committed to meeting the Kyoto Protocol’s greenhouse gas reduction targets. And, like all but two of those cities, it is failing to meet its goals.

<p>In the United States we import about two-thirds of the oil used to fill the tanks of our vehicles.</p>

<p>Mike West, director of education for CU Biodiesel, has taught everyone from postgraduate students to second-graders how to brew their own biodiesel, showing how simple it is to create cleaner, more sustainable fuel from waste.</p>