ecological footprint
the impact of a person or community on the environment, expressed as the amount of land required to sustain their use of natural resources
biodiversity
the variety of life in the world or in a particular habitat or ecosystem
environmental science
the study of the natural processes that occur in the environment and how humans can affect them
ecology
The study of how living things interact with each other and their environment
agriculture
the science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products
pollution
an undesirable change in the natural environment that is caused by the introduction of substances that are harmful to living organisms or by excessive wastes, heat, noise, or radiation
natural resources
materials found in nature that are used by living things
law of supply and demand
the greater the demand for a limited supply of something, the more that thing is worth
sustainability
meeting the needs of the present without compromising the ability of future generations to meet their own needs