Since problems spill across borders, security anywhere depends on sustainable development everywhere.

I am not a national leader. If I am a national leader I can speak out all that I want.

With her courage and determination, Malala has shown what terrorists fear most: a girl with a book.

Sustainable development is the pathway to the future we want for all. It offers a framework to generate economic growth, achieve social justice, exercise environmental stewardship and strengthen governance.

Climate change, demographics, water, food, energy, global health, women's empowerment - these issues are all intertwined. We cannot look at one strand in isolation. Instead, we must examine how these strands are woven together.

Nothing is more shameful than attacking sleeping children.

Climate change is destroying our path to sustainability. Ours is a world of looming challenges and increasingly limited resources. Sustainable development offers the best chance to adjust our course.