Existing power plants and vehicles have already consigned us to unsafe global warming

It’s no secret that some dramatic changes are needed to arrest the trend of rising temperatures around the globe, but a new study has dug into the detail with some pretty disconcerting results. According to the authors of the paper, the energy infrastructure we’ve already constructed is more than enough to warm the planet beyond levels considered safe, and that’s before we start to consider future power plants currently in the pipeline.