On a back table in my office is a small pile of colour-coded maps that I don’t talk about much because they make me look like a madman. They are maps of Pennsylvania, documenting a semi-pathological and dogged fascination with US shale gas production. One pile shows all of Pennsylvania’s counties; the counties are colour-coded … Continue reading Column: North America may see natural gas prices follow global ones – a frightening taste of the agony developing countries are facing