A personal view by Dirk Campbell

  Because of the way life has evolved, organisms respond to immediate concerns rather than gradual ones – a threat from a predator, for example, rather than environmental change. Humans are like all other organisms in this respect. Because nature has bequeathed us the additional ability to imagine, we can also greatly inflate certain perceived threats and diminish others. Our criterion in any situation is: how does this directly affect my and my family’s immediate safety and food supply? Most of us make our choices and decisions on that basis. So we ignore the dangers that we hope won’t affect us directly, even constructing counter-arguments to prove that the dangers themselves are imaginary. Or acting in response to imagined dangers, and then regretting it. Such is the complexity of the human mind. Read more