| A | B |
| conservation | the careful use of resources |
| pollution prevention | stopping pollution from entering the environment |
| 1969 | Ohio's Cuyahoga River catches fire and burns for days |
| 1970's | federal government passed laws to prevent or decrease pollution and protect resources |
| 1970 | Clean Air Act: established National Ambient Air Quality Standards (NAA!S) for six pollutants known to cause health problems |
| 1972 | Clean Water Act |
| 1974 | Safe Drinking Water Act |
| land resource protection | involves preventing pollution and managing resources wisely |
| contour plowing | plowing with the contour of hillsides |
| strip cropping | planting different crops at interval |
| select cutting | only cutting a percent of trees in a forest |
| clear cutting | rermoves all the trees in a given area |
| compost | partially decomposed organic material used for fertilizer |
| good conservation | recycling - reusing resource materials |