In a world with business as usual, in other areas like East Africa where there will be increased rainfall, different health factors will play a role in increased death rates; in this case an increase in malaria.

Global warming will not just go away. It will continue for a long time, even if politicians make the decision to be serious about curbing it today. Turning this around will take hundreds of years.

People at the decision-making level should make better plans for robust and equitable future river-basin management. People on the ground in rural areas will vote with their feet, as they have done in Africa ever since the origin of humans in Africa. Migration will not be controllable; it's driven by needs and desire.

I don't think anything is going to come out of the six-party talks. At best it will become something where people meet every seven or eight months and nothing happens. At worst, they won't meet again.

The Chinese will help them out. China is already the biggest food donor to North Korea. Beijing will not let them collapse.

And then, of course, the world will open for business on Monday, and that's when we'll test software systems and information processing systems.