Teach students about the environmental issues which our planet is facing, and the affect we are having on it, with this 356 piece Planet Conservation Clip Art Mega Bundle. Teach them the ways we use energy from both renewable, and nonrenewable sources. Teach them about the acidification of our oceans, overpopulation, deforestation, and more. Show students what the effects of global warming will be, and the hazards of pollution. Show different forms of it from light, noise, thermal, land, marine