Blue and Green: Price volatility, a changing financial environment and strengthening policy to mitigate climate change mans that there is a heightened risk for oil and gas investors, according to a report from thinktank Chatham House. The report argues that there is a current mismatch in Chinese demand of oil, which I currently static and expected to fall in the future, and growing US supply. Uncertainty on demand and prices, coupled with increasing climate regulation, could result in heightened commodity risks....