Press Trust of India: Ahead of the Paris summit, the Commonwealth today committed itself to working towards an "ambitious" and "legally-binding" climate deal as it asserted that vulnerable countries must be assisted by the rich nations in combating climate change. The 53-nation bloc, including India, agreed to work towards a legally-binding outcome at the COP21 and said the climate change challenge could only be met by an urgent global response. Coming out with a statement after two days of deliberations at its biennial...