I began pondering this dilemma about ten years ago after retiring from Working
    Assets, a business I cofounded in 1982. (Working Assets offers telephone
    and credit card services which automatically donate to nonprofit groups working
    for a better world.) My initial ruminations focused on climate change caused
    by human emissions of heat-trapping gases. Some analysts saw this as a “tragedy
    of the commons,” a concept popularized forty years ago by biologist
    Garrett Hardin. According to Hardin, people will always overuse a commons
    because it’s in their self-interest to do so. I saw the problem instead
    as a pair of tragedies: first a tragedy of the market, which has no way of
    curbing its own excesses, and second a tragedy of government, which fails
    to protect the atmosphere because polluting corporations are powerful and
    future generations don’t vote.
  This way of viewing the situation led to a hypothesis: if the commons is
    a victim of market and government failures, rather than the cause of its
    own destruction, the remedy might lie in strengthening the commons. But how
    might that be done? According to prevailing wisdom, commons are inherently
    difficult to manage because no one effectively owns them. If Waste Management
    Inc. owned the atmosphere, it would charge dumpers a fee, just as it does
    for terrestrial landfills. But since no one has title to the atmosphere,
    dumping proceeds without limit or cost.
  There’s a reason, of course, why no one has title to the atmosphere.
                For as long as anyone can remember there’s been more than enough air
                to go around, and thus no point in owning any of it. But nowadays, things
                are different. Our spacious skies aren’t empty anymore. We’ve
                filled them with invisible gases that are altering the climate
                patterns to which we and other species have adapted. In this
                new context,
                the atmosphere
                is a scarce resource, and having someone own it might not be
                a bad idea. 
  In retrospect, I realized the question I’d been asking since early
    adulthood was: Is capitalism a brilliant solution to the problem of scarcity,
    or is it itself modernity’s central problem? The question has many
    layers, but explorations of each layer led me to the same verdict. Although
    capitalism started as a brilliant solution, it has become the central problem
    of our day. It was right for its time, but times have changed.
  When capitalism started, nature was abundant and capital was scarce; it
    thus made sense to reward capital above all else. Today we’re awash
    in capital and literally running out of nature. We’re also losing many
    social arrangements that bind us together as communities and enrich our lives
    in nonmonetary ways. This doesn’t mean capitalism is doomed or useless,
    but it does mean we have to modify it. We have to adapt it to the twenty-first
    century rather than the eighteenth. ... read
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