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Established species are evolving so slowly that major transitions between genera and higher taxa must be occurring within small rapidly evolving populations that leave NO LEGIBLE FOSSIL RECORD.
The known fossil record fails to document a single example of phyletic evolution i.e., a species becoming a new species accomplishing a major morphological transition and hence offers no evidence that the gradualistic model can be valid.
Many of our actions degrade our habitat because we undertake them in order to reach goals whose allure blinds us to myriad dire consequences. In order to fuel our complex civilizations, we are lacing our planet's atmosphere with carbon dioxide, a greenhouse gas that, if it has not already begun doing so, will soon warm the Ice Age climate to which we owe our very existence.