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1.
1. Characteristic of those having inflated the truthfulness about their own environmental accomplishments.
2. Characteristic of having an exaggerated sense of environmental importance.
3. An environmental disregard of others.
People who litter are ecotistical because they do not care about the environmental impacts of their actions.
by David Crawford February 04, 2006
 
2.
Someone who believes so strongly in Human Caused Global Warming that they refuse to consider facts or debate any part of the theory.
Al Gore is real ecotistical when it comes to his global warming theories.
by brianlemon March 24, 2009