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the impact of a person or community on the environment, expressed as the amount of land required to sustain their use of natural resources.
The decline of ecosystems
Natural and managed ecosystems support human life and economics with a range of goods and services.
Millennium Ecosystem Assessment
A major assessment of the effects of human activity on the environment.
Global Atmospheric Changes
The earth's atmosphere is changing, scientific measurements have documented shifts in chemical composition throughout the lower atmosphere.
The Kyoto protocol
An international agreement linked to the United Nations framework convention on climate change
Loss of biodiversity
The rapidly growing human population, together with increasing consumption, is acclerating the conversion of forests.
Risks of losing biodiversity
The risks of losing biodiversity is all domestic plants and animals used in agricultural are derived from wild species, and we still rely on introducing genes from wild species.
A system or process is sustainable if it can be continued indefinetly, with out depleting any of the material or energy resources to keep it running.
A society in balance with the natural world, continuing generation after generation.
a term that was first brought into common use by the world commission on Environment and development.
The management or care of something, particularly the kind that works
Phrase often used by corparate public relations and government agency spokesmen to describe the scientific research used to justify a claim or position
Those conscious and unconscious values and assumptions scientists bring to their work
The major of objective of scientific reasoning-- the explanations of how things work in the natural world
the action of making use of and benefiting from resources.
mostly referred to municipal government such as cities, towns, and villages
a statement or action expressing disapproval of or objection to something.
disturbance of the environment caused by human influences or natural ecological processes.
Habit, Invasive species, population, pollution, overharvesting
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