Canadian Prime Minister Justin Trudeau and former UN Secretary General Kofi Annan spoke at the grand opening of the Summit which brought together 1,300 young leaders from more than 196 countries.
Professor Yunus urged the young delegates to not accept the world that is handed to them rather to build the world of their own dreams. He said he dreams of a world where there is Zero Poverty, Zero Unemployment and Zero Net Carbon Emissions.
Prime Minister Trudeau told the young audience that they were the leaders of today, and was happy that the Summit of brilliant young leaders had come to Ottawa.
The other keynote speakers at the opening session were former Irish President Mary Robinson and activist and musician Bob Geldof.
The global forum has brought together 1,300 delegates between the ages of 18 and 30 from 196 different countries.
During the three-day Summit, young leaders from all around the world will present their work and learn from the counsellors who are global leaders in different fields. This is the seventh One Young World Summit.