| Equally valid is exploitation of renewable resources, for example, of grass for grazing, papyrus for thatch, or wood for charcoal. |
| All the scientists I've talked to tell me that the best we can expect is to meet about 25 percent of our energy needs with renewable resources and conservation. |
| In contrast to renewable resources, nonrenewable resources exhibit no growth or regenerative processes. |
| Bioproducts and bioenergy are made from renewable resources such as plants. |
| Furthermore, several lactones, epoxides, and carbon dioxide can be sourced from renewable resources. |
| Reduced tillage, crop rotations, and dispersed livestock all reduce energy needs and make more efficient use of renewable resources. |
