Across
- 4. It measures the amount of biologically productive land and sea area required to provide for the demand of population
- 6. It marks the date when humanity’s demand for ecological resources (fish and forests, for instance) and services in a given year exceeds what Earth can regenerate in that year
- 7. The supply of water to land or crops to help growth, typically by means of channels.
- 9. The variety of plant and animal life in the world or in a particular habitat, a high level of which is usually considered to be important and desirable.
- 11. Produced or involving production without the use of chemical fertilizers, pesticides, or other artificial chemicals.
- 12. Trade between companies in developed countries and producers in developing countries in which fair prices are paid to the producers.
- 13. The action or process of converting waste into reusable material.
Down
- 1. A prolonged period of abnormally low rainfall, leading to a shortage of water.
- 2. Biologically productive area that provides renewable biological capacity including the replenishment of resources and the absorption of waste
- 3. The presence in or introduction into the environment of a substance which has harmful or poisonous effects.
- 5. Biologically productive land and sea area with world average bioproductivity.
- 8. The ability of a system to last or endure; meeting current human needs without endangering
- 10. Animal farming system that involves crowding large groups of livestock into confined indoor