All living beings not just animals but plants and microorganisms perceive. To survive an organic being must perceive – it must seek or at least recognize food and avoid environmental danger.
I am on the board of corporations who contribute both to environmental problems and their solutions. And I am on the NGO side: the Earth Council and other organizations.
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Address these environmental issues and you will address every issue known to man. And we keep dabbling in things that aren't really that important in the long term.