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

Planet Earth is our shared island, let us join forces to protect it

Since [violence against women] is rooted in discrimination, impunity and complacency, we need to change attitudes and behavior - and we need to change laws and make sure they are enforced just like you are doing in Cuba.

We have all heard of the web of life. The way we live threatens to trap us in a web of death.

You are already leaders. Your ideas, your actions and your decisions make a difference. More than any other generation, you have a voice. Social networking is changing how we interact - and it can change our world. You are in touch with peers from around the world. You understand the power of instant communication. I appeal to you to use that power for the common good, the power of communication and the power of networking.

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

The international community must offer short-term emergency measures to meet critical needs. But it must also make longer-term investments to promote food production and agricultural development, enhance food security and maintain and accelerate momentum towards the MDGs.