1. HUMAN CONSERVATION

2. How can we help preserve our lands? -Conservation: the wise use of natural resources Natural Resources: materials that people take and use from the Earth like air, water, trees, rocks and minerals, soil, coal, oil -Keep our natural resources available and clear of pollution - 3 R's: Reduce, Reuse, Recycle -Plant trees, bushes, or grass to improve air quality and to keep erosion from carrying away soil

3. Pollution Pollution is anything that harms the natural environment. How are humans polluting Earth?