> the worst world we have since the last ice age Yes and no. By some measures we have; CO2 and other greenhouse gases for example. Other things have improved;

> the worst world we have since the last ice age Yes and no. By some measures we have; CO2 and other greenhouse gases for example. Other things have improved; the ozone layer is repairing itself, and many countries have much better standards for clean water and so on. We should address the problems we have but it's easy to despair and do nothing if we're too pessimistic.