Today, no walls can separate humanitarian or human rights crises in one part of the world from national security crises in another. What begins with the failure to uphold the dignity of one life all too often ends with a calamity for entire nations.

We tend to look at countries in terms of failed states and functioning states, which is rather simplistic.

People of different religions and cultures live side by side in almost every part of the world, and most of us have overlapping identities which unite us with very different groups. We can love what we are, without hating what – and who – we are not. We can thrive in our own tradition, even as we learn from others, and come to respect their teachings.

In an era of globalisation, AIESEC's programmes have helped young people around the world to develop a broader understanding of cultural socio-economic and business management issues.

Contrary to popular belief, we do not face a choice between economy and ecology, It is often said that protecting the environment would constrain or even undermine economic growth. In fact, the opposite is true: unless we protect resources and the earth's natural capital, we shall not be able to sustain economic growth.

Obama saying Gaddafi must go. Putting it upfront like that... it's not very helpful.

The fight against HIV/AIDS requires leadership from all parts of government - and it needs to go right to the top. AIDS is far more than a health crisis. It is a threat to development itself.