Summary: <p>Social critic <a href="http://poptech.org/people/john_alexander_thackara">John Thackara</a> argues that the current human paradigm of endless growth is obviously unsustainable, so we should consider the brilliance of the Brazilian Jequitiba tree, which soaks up four tons of water a day. “I am a proper tree hugger, as well as a lichen hugger.”</p>
