Why do we turn to nonprofits, NGOs and governments to solve society's biggest problems? Michael Porter admits he's biased, as a business school professor, but he wants you to hear his case for letting business try to solve massive problems like climate change and access to water. Why? Because when business solves a problem, it makes a profit -- which lets that solution grow. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and much more.

An end to poverty, hunger and inequality worldwide. That and more is the ambitious agenda of the Sustainable Development Goals (SDGs), agreed upon by 193 countries at the United Nations in September 2015. Learn about the Goals and the work of the United Nations Development Programme, a global leader in the effort to fulfil the Goals.