As the young leaders of tomorrow, you have the passion and energy and commitment to make a difference. What I'd like to really urge you do is to have a global vision. Go beyond your country; go beyond your national boundaries
Ban Ki-moonWe have seen in the past where leaders have not been open-minded or have not been flexible. That's why the people came out to the streets and shouted and chanted for more reforms and more freedoms.
Ban Ki-moonOur atmosphere can't tell the difference between emissions from an Asian factory, the exhaust from a North American SUV, or deforestation in South America or Africa.
Ban Ki-moonExtreme weather events continue to grow more frequent and intense in rich and poor countries alike, not only devastating lives, but also infrastructure, institutions, and budgets - an unholy brew which can create dangerous security vacuums.
Ban Ki-moon