Bob Rae, Canada's ambassador to the United Nations, is shepherding a global effort to reach the Sustainable Development Goals, a series of targets to be achieved by 2030 to get the world on track to end extreme poverty, achieve carbon-reduction targets and eradicate the worst preventable diseases. In an interview about his role as president of the UN Economic and Social Council, Rae says the world can't lose hope, and should build on the progress it has made in preventing wars and ending pandemics. Jan. 3, 2025)