their regionalenvironmentdirectly through burning andindirectlyby removing large browsing animals, with consequential changes to vegetation distribution, but our population wastoo small(perhaps afew hundred thousand peoplein all the world 100,000 years ago) to have much impact on global Pleistoceneclimate...
The eradication of an infectious disease is much harder to achieve than elimination. This is mainly due to the global level of coordination required. Only one human disease has been successfully eradicated. Smallpox was declared eradicated in 1979 following a lengthy but coordinated global effort. S...