A landmark decision by a top UN court has cleared the way for countries to sue each other over climate change.   It will be seen as a victory for countries that are very vulnerable to climate change, who came to court after feeling frustrated about the lack of global progress in tackling the problem.   But the judge at the International Court of Justice said that untangling who caused which part of climate change could be difficult.   Tap the link in BBCNews’s bio to read more on how the new law may work.   #Climate #UN #BBCNews