"This week, more than 150 world leaders will come to New York for the United Nations Sustainable Development Summit 2015 where an ambitious new agenda for sustainable development will be adopted -- the Sustainable Development Goals", writes Helen Clark in an opinion piece on Huffington Post.
"Ours is the last generation which can head off the worst effects of climate change. Postponed action will be too late. Ours is also the first generation which can eradicate extreme poverty and secure a more hopeful future for all. For this fearless leadership from us all is needed.
"If the global community collectively is prepared to step up to the challenge of achieving the Sustainable Development Goals, then there's a chance of achieving sustainable development -- and with it better prospects for people and our planet."