Group of countries most at risk from climate change promise to increase ambition prior to 2020 to limit warming to 1.5C
Projects refinanced by the bond assesed for environmental impact by UK's Green investment Bank
New Grantham Institute paper warns the US, Canada, Australia, Argentina, Saudi Arabia and Turkey yet to back up Paris goals
UN reveals 29 countries expected to deposit instruments of ratification ahead of today's High Level Event in New York