1
Those resources that can replace themselves in a short period of time.
2
A long-term change in the Earth's climate, especially a change due to an increase in the average atmospheric temperature.
3
Not harmful to the ozone layer; using substances that do not produce gases harmful to the ozone layer.
4
The prevention of injury, decay, waste, or loss; preservation.
5
Heat radiation from the sun converted into electrical power.
6
The kinetic energy of wind redirected to generate electrical power.
7
A marine ridge or reef consisting of coral and other organic material consolidated into limestone.
8
A system, or a group of interconnected elements, formed by the interaction of a community of organisms with their environment.
9
A long period of dry weather or an extended shortage of water.
10
A great flowing or overflowing of water or the submerging of land under water due to heavy rain, or a lake or river overflowing.
