Donald Trump’s triumph over Kamala Harris in the US presidential election matters for many reasons, but especially climate change. No presidential candidate in US history has presented such a threat to global efforts to cut carbon pollution as Trump does. After all, Trump regularly refers to climate change as a “hoax” and a “scam”, even as his home state of Florida is battered by more frequent and severe hurricanes. So what will a Trump presidency mean for climate policy, including in Australia? Buckle up, it’s not pretty. Pulling out of Paris and the UN climate treaty Let’s start with international…