Endangered species

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An endangered species is one that is threatened with extinction. The Species Survival Commission lists over 20,000 species that are under threat. Almost all species that are on the verge of extinction are there due to the direct actions of mankind. A new level of extinction, due to climate change is about to start.

Contents

History

Throughout the Earth's 4.5 billion year history there have been three mass extinctions: mankind is engineering the fourth.

Overview

Fundamental principles

Notes and references

See also

Books

Movies

External links