The 21st century will not be about the battle between capitalism and socialism but between the forces of progress and the forces of conservatism.

Make the wrong choices now and future generations will live with a changed climate, depleted resources and without the green space and biodiversity that contribute both to our standard of living and our quality of life

I think Hillary Clinton is an outstandingly capable and decent person.

Climate change is the world's greatest environmental challenge. It is now plain that the emission of greenhouse gases, associated with industrialization and economic growth...is causing global warming at a rate that is unsustainable.

Ever so often in the history of human endeavour, there comes a breakthrough that takes humankind across a frontier into a new era. ... today's announcement is such a breakthrough, a breakthrough that opens the way for massive advancement in the treatment of cancer and hereditary diseases. And that is only the beginning.

We know the problems, and we know the solution: sustainable development. The issue is the political will.

I think conspiracy theories have gotten more and more close to the mainstream because what you've got is a fragmentation of the media, where the media becomes much more polarized today, left and right.