“Let us take advantage of the opportunities presented by climate action and lay the foundations for a more prosperous and secure future for all.”

The longer we delay, the more we will pay.

Migration is an expression of the human aspiration for dignity, safety and a better future. It is part of the social fabric, part of our very make-up as a human family

Reason doesn’t mean very much in a country like North Korea.

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

I am willing to take any measures when it comes to the fundamental principle of human rights.

In a world of plenty, no one, not a single person, should go hungry. But almost 1 billion still do not have enough to eat. I want to see an end to hunger everywhere within my lifetime.

Many say our world is at a tipping point. If we do not act together, if we do not act responsibly, if we do not act now, we risk slipping into a cycle of poverty, degradation, and despair.

I believe in a world of justice and human rights for all. A world where girls can grow up free of fear of abuse. A world where women are treated with the respect and dignity that is their right. A world where poverty is not acceptable. My dear young friends, you can make this your world.

World military spending has now risen to over $1.2 trillion. This incredible sum represents 2.5 per cent of GDP (global gross domestic product). Even if 1 per cent of it were redirected towards development, the world would be much closer to achieving the Millennium Development Goals.

A deal must include an equitable global governance structure. All countries must have a voice in how resources are deployed and managed.

Let us acknowledge and celebrate what youth can do to build a safer, more just world. Let us strengthen our efforts to include young people in policies, programmes and decision-making processes that benefit their futures and ours.

Society’s dependence on fossil fuels is jeopardising social and economic progress.

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

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

The power of the leader is given to him by the people, so he has a duty to engage and listen more attentively and carefully to the aspirations of the people.

Climate change has happened because of human behaviour, therefore it’s only natural it should be us, human beings, to address this issue. It may not be too late if we take decisive actions today.

The warnings about global warming have been extremely clear for a long time. We are facing a global climate crisis. It is deepening. We are entering a period of consequences.

When it comes to climate, we can all make a big difference.

The climate crisis is not a political issue; it is a moral and spiritual challenge to all of humanity. It is also our greatest opportunity to lift global consciousness to a higher level.

I’m going to be focused on doing everything I possibly can to help solve the climate crisis.

In order to solve the climate crisis, we need to solve the democracy crisis.

Hurricane Sandy is a disturbing sign of things to come. We must heed this warning and act quickly to solve the climate crisis. Dirty energy makes dirty weather.

The biggest test for any cricketer in England is the weather.

New York for me is about work. If L.A. were to become a West Coast version of that, I’d shoot myself. The climate, the lifestyle – it really fits as the yin to my New York yang.