A story emerged this week that the incumbent South Korean Democratic Party is running on a promise to create a Green New deal, and get the east Asian country to net zero emissions by 2050. If that happened, it would certainly be the first major Asian country to make such a promise, and give plenty of hope that others locally might follow suit. But that hope belies a complex political system, finely balanced between democrats and conservatives, with a bundle of other fringe parties thrown in and almost certainly coalition politics. The fact that such a promise has only just emerged and with the election is scheduled for April 15, that makes it a late manifesto promise. The reason is…