It is not only highly necessary but entirely affordable to tackle climate change, pollution, biodiversity loss, water scarcity, and other environmental problems, according to a report released Wednesday by some wacko environmentalists the Organization for Economic Cooperation and Development. Summed up OECD Secretary-General Angel Gurria: Solutions “are available, they are achievable, and they are affordable” — and they are “considerably less onerous for mankind and for the economy than the alternative of inaction.”