Glenn Greenwald
Glenn Greenwald

We know that U.S. voters, and world leaders, allow Obama extraordinary leeway when it comes to deadly drone strikes, precisely because of his politics, character and background. (We are talking about a man, after all, who won the Nobel Peace Prize while ordering the automated killing of suspected Muslim terrorists around the world).

Greta Thunburg
Greta Thunburg

For 25 years countless people have come to the U.N. climate conferences begging our world leaders to stop emissions and clearly that has not worked as emissions are continuing to rise. So I will not beg the world leaders to care for our future. I will instead let them know change is coming whether they like it or not.

Hassan Rouhani
Hassan Rouhani

International politics is no longer a zero-sum game but a multi-dimensional arena where cooperation and competition often occur simultaneously. Gone is the age of blood feuds. World leaders are expected to lead in turning threats into opportunities.

Hassan Rouhani
Hassan Rouhani

In a climate where much of foreign policy is a direct function of domestic politics, focusing on what one doesn't want is an easy way out of difficult conundrums for many world leaders. Expressing what one does want requires more courage.

Jacinda Ardern
Jacinda Ardern

We will work hard to ensure New Zealand is once again a world leader, a country we can all be proud of. We said we could do this; we will do this.

James P. Gorman
James P. Gorman

Bringing world leaders together as human beings rather than political machines is very important.

Joe Biden
Joe Biden

Let me tell you what I literally told every world leader I've met with, and I've met them all: It's never, never, never been a good bet to bet against America. We have the finest fighting force in the world.

Joe Biden
Joe Biden

I've known and continue to know every one of these major world leaders by their first names, and I have access to them.

Johan Rockstrom
Johan Rockstrom

By decarbonizing the global economy and limiting climate change, world leaders can unleash a wave of innovation, support the emergence of new industries and jobs, and generate vast economic opportunities.

Johan Rockstrom
Johan Rockstrom

World leaders need to realize that the cost of transforming the global energy system is far less than coping with the consequences of burning the planet's remaining fossil fuels.