Who watched Sir David Attenborough's documentary on Climate Change? Frightening prospects for our planet don't you think?
Given the number of conflicting political systems, and their apparent inability to put the brakes on fossil fuel consumption, deforestation and pollution, I am not optimistic for the future.
The scariest thing for me was watching methane flares coming from holes punched through the ice cap on an Arctic lake. Methane is many times more effective than carbon dioxide as a greenhouse gas, and there are millions of tons of it trapped in arctic permafrost.