The politicisation of the issue has had absurd results. - Matt Ridley

There are two ways to tell the story of the twentieth century. You can describe a series of wars, revolutions, crises, epidemics, financial calamities. Or you can point to the gentle but inexorable rise in the quality of life of almost everybody on the planet: the swelling of income, the conquest of disease, the disappearance of parasites, the retreat of want, the increasing persistence of peace, the lengthening of life, the advances in technology.

We consciously decide whether to consider people; we fall in love despite ourselves; we entirely fail to fall in love with people who fall in love with us. It is a mightily complicated business.

To put my explanation in its boldest and most surprising form: bad news is manmade, top–down, purposed stuff, imposed on history. Good news is accidental, unplanned, emergent stuff that gradually evolves. The things that go well are largely unintended; the things that go badly are largely intended.