It takes collaboration across a community to develop better skills for better lives.

In a world that places a growing premium on social skills, education systems need to do much better at fostering those skills systematically across the school curriculum.

High levels of inequality generate high costs for society, dampening social mobility, undermining the labour market prospects of vulnerable social groups, and creating social unrest.

Water security is not just for domestic policies. International co-operation is crucial to sustainably manage trans-boundary water bodies and river basins.

Transparency and effective tax co-operation must be shared principles applied by all. Until they are, nations will need to protect themselves against loss of revenues to tax havens.

There is no upside for the U.K. in Brexit. Only costs that can be avoided and advantages to be seized by remaining in Europe. No one should have to pay the Brexit tax.

A more robust approach to global warming is needed if we are to avoid catastrophe. Unlike the recent financial crisis, there is no bailout option for the earth's climate.

To give students the best possible chance to succeed, education must prepare them to handle issues that transcend national boundaries.

We never tell countries that they should have a particular number in terms of a tax number, you know, if countries can make do with whatever average tax they have. The question is, do they apply it to everybody? Or do they give sweetheart deals to some companies?