ANALYSIS-Promising the moon? Oslo falls short on bold climate pledges
* Oslo missed 2016 target to halve emissions by 2020 * UN urges all to 'walk the talk' and set realistic goals * North European cities ranked as environmental leaders By Alister Doyle OSLO, May 8 (Thomson Reuters Foundation) - Oslo's 2016 goal to combat climate change was as radical as it was unprecedented: to halve greenhouse gas emissions within four years. Having called its plan "demanding yet achievable", Oslo won global plaudits as a model for bold urban action and went on to be crowned the European Green Capital of 2019, a prestigious annual award from the Europ...