Yes we make predictions, then groups meet around the world and outline the changes necessary to avert disaster. But these groups like COP or the Paris Agreement have no agency to carry out the plans.
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Instead we have the corporate world whose major concern is next quarters profit. Decisions are made how best to keep the profit flowing. There is little connection between the first group and the second.
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Instead of acting on the plans to save the environment, we are led around by the nose by capitalisms never ending search for profit.