Swiss Info: The nations of the world are preparing to strike a global agreement on climate change for the post-2020 period. Yet six months away from the Paris conference, their objectives differ markedly and even Switzerlands are being greeted with scepticism. The year 2015 will decide the kind of world our children and grandchildren will live in. This may sound like an exaggeration, but for many political leaders and climate experts, the international conference in Paris scheduled for December will be a turning...