Ecological Footprint Quiz – A quiz designed to estimate the amount of land and ocean area required to sustain one person’s consumption patterns and absorb that person’s wastes every year.
PowerUp – Downloadable 3-D game.
Son of Citation Machine – Free Bibliography and Citation Maker
EasyBib – Free Automatic Bibliography and Citation Maker
The OWL Writing Lab at Purdue University
The US Environmental Protection Agency Teaching Center
Energy Hog – A game that allows students to identify and get rid of hogs that pig out on energy!