During a sold-out appearance in London, former President Barack Obama delivered sharp commentary on political power, warning that the world’s biggest issues often stem from leaders who refuse to move ...

I was already busy enough for the past 15 years reporting on and becoming a nonviolent direct-action activist in the climate movement, resulting in more than a dozen arrests and ongoing organizing.

Dec. 12—Nearly 300 high school student-delegates converged at the University of Montana in November for the 60th annual Model United Nations Conference, seeking resolutions to global issues. Reaching ...