A number of US Democrat presidential candidates have all updated their position on climate change. We hope these plans are well thought out. For any democrat candidate to beat President Trump, they will need a full package – they cannot be just a climate change one trick pony. Most polls say that the US public are all concerned about climate change, but that they are more concerned about health insurance, and many of them now have a position on gun control. It is very easy for a candidate who opens up every one of these fronts to get himself or herself kicked out of the running, by voters who sit on the fence, and worry more about whether or not…