The catastrophic humanitarian consequences of any use of nuclear weapons require that it be treated as a top priority. Disarmament will work better than any alternative in reducing the risk of use.
Achieving gender equality requires the engagement of women and men, girls and boys. It is everyone's responsibility.
The true measure of success for the U.N. is not how much we promise, but how much we deliver for those who need us most.
I have run with the Olympic Torch during the 2012 summer games in London and the 2014 winter games in Sochi.
We have international standards regulating everything from t-shirts to toys to tomatoes. There are international regulations for furniture. That means there are common standards for the global trade in armchairs but not the global trade in arms.
When food prices surge, poor families suddenly find themselves unable to afford enough nutritious food. If this happens during the first thousand days of a child's life, the damage to his or her body and mind can be permanent.