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Posts Tagged ‘earth’

The Millennium Ecosystem Assessment (MA) was called for by the United Nations Secretary-General Kofi Annan in 2000. Initiated in 2001, the objective of the MA was to assess the consequences of ecosystem change for human well-being and the scientific basis for action needed to enhance the conservation and sustainable use of those systems and their [...]

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The ecological footprint is a measure of human demand on the Earth’s ecosystems. It compares human demand with planet Earth’s ecological capacity to regenerate it. It represents the amount of biologically productive land and sea area needed to regenerate the resources a human population consumes and to absorb and render harmless the corresponding waste, given [...]

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by NationalGeographic
Global warming is the increase in the average temperature of the Earth’s near-surface air and oceans since the mid-twentieth century and its projected continuation.
The average global air temperature near the Earth’s surface increased 0.74 ± 0.18 °C (1.33 ± 0.32 °F) during the hundred years ending in 2005. The Intergovernmental [...]

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by WatchMojo
April 22, 2008
Earth Day is either of two different observances, both held annually during spring in the northern hemisphere, and autumn in the southern hemisphere. These are intended to inspire awareness of and appreciation for the Earth’s environment. The United Nations celebrates an Earth Day each year on the March [...]

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