EarthCare (Popularity: )
http://www.earthcarecanada.com Activity-based, curriculum-aligned environmental education program focusing on energy conservation, waste reduction, and water conservation. Includes news, events, resources, and energy saving tips.
Project Wild (Popularity: )
http://www.projectwild.org/ Information about and sample materials from an interactive, interdisciplinary wildlife conservation and environmental education curriculum. Supported by U.S. natural resource agencies, designed for U.S. K-12 use.