Scott Fitzgerald once wrote that “the test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.” When it comes to the environment, this is a test that many of us have not passed yet. On the one hand, humans introduce massive amounts of nitrogen into ecosystems (think fertilizers and animal manure). As a result, we see runaway algae production and low-oxygen dead-zones worldwide.
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