Saving our planet requires you to be ambitious in what you aim, and, equally, in how hard you work to reach your goal.

We hold the future in our hands, together, we must ensure that our grandchildren will not have to ask why we failed to do the right thing, and let them suffer the consequences.

To achieve a Green Revolution, African farmers, must have access to land and security of tenure. They also need access to markets, technology and improved infrastructure.

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.

It is up to each and every one of us to raise our voice against crimes that deprive countless victims of their liberty, dignity and human rights. We have to work together to realize the equal rights promised to all by the United Nations Charter. And we must collectively give meaning to the words of the Universal Declaration of Human Rights that "no one shall be held in slavery or servitude"

I spend most of my time in South Korea but at least one-third of my time is spent traveling around the world, meeting people, speaking about climate change and sustainable development and trying to foster global citizenship especially for young people. What I observe is there clearly is a need for global citizenship. That is exactly right. We are having troubles around the world. We need global vision.

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.