Thing about humans is, we like to look on the bright side of life. Without optimism, we'd not have evolved out of the trees in the first place. Our species has optimism bias. But we're all different, and some of us are a little bit too wired to be over-optimistic - and vice versa. This has big impacts for the messages we see about climate change. In this MICRO episode, a snippet of my forthcoming chat with Professor Geoff Beattie. What did he learn when he put optimistic and pess...