Christiana Figueres backs scathing critique by Graça Machel who accused world leaders of failing to grasp the full challenge of climate change
Apple chief executive underlines the company's commitment to reducing carbon emissions
APP's Aida Greenbury explains the potential impact of the New York Declaration on deforestation
The US Presidents speech in full from the United Nations Climate Summit in New York
From city mayors to Rockefellers - BusinessGreen runs down the key green commitments from this week's conference
US President sets out ambition for a global deal on climate change in Paris next year
Vice Premier Zhang Gaoli also commits $6m to advance South-South cooperation on climate change
150 world leaders and businesses have pledged to end deforestation by 2030. Read the promise here
New York Declaration delivers a series of major new commitments from governments and corporates
As 125 world leaders descend on the United Nations headquarters in New York, BusinessGreen keeps you up to date with the key events