Edward Burtynsky: For over 20 years my mother advocated for the people of Ukraine. She knows what it means to lose freedom and what it takes to fight to get it back.
Terry Glavin: Xi Jinping has the Russian leader’s back as the two advance the authoritarian political model around the world.
Airplanes constantly emit trails as they fly, blasting pollutants into the atmosphere. The industry behind them doesn't know how to fix it.
