We are told that poor Mother Earth is in the worst shape ever. Species are becoming extinct at an alarming rate. We are deforesting the Amazon. We are putting an alarming amount of carbon into the atmosphere. And we who make our living in construction have to put “green” concerns at the front of every structure–even to the detriment of other building functions. Matt Riddley is a renowned Oxford educated scientist who in this video will give you positive news on our environment, our climate and our prospects.