A number of major companies - from PepsiCo to Walmart to U.P.S. - have recognized that corporations have a responsibility to address the causes of climate change before it is too late. We do not have to wait for an international treaty or new regulations to act.

Like Siemens, the UAE is big on innovation. It has become famous as a think tank for thought leadership in areas of interest to the world - and to Siemens.

We never said the U.K. is in bad shape if it leaves the E.U.: we said the E.U. would miss a massive opportunity. Without the U.K., the E.U. may never be able to stand up against superpowers like China and the U.S.

The individual Siemens businesses must be able to keep up with the specialists in the industry and be at least as good as their strongest competitors.

On the global scale, if there's a shaky Middle East, there's a shaky world.