Well the Global Fund, because of how well it's worked on not only AIDS, but also malaria and tuberculosis, I'd say it's well accepted. I mean, it's not politically controversial that this is a great humanitarian effort. But budgets are very very tight.

Over 80% of the poor are people who have small plots of land and grow their own food and they don't grow enough to sell much into the marketplace. So they will be hit hard by the worst in climate. They really get hit hard starting in the 20-year time frame and thereafter.

In low-income countries, the main problems you have is infectious diseases.

Until recently, over 98 percent of teachers just got one word of feedback: Satisfactory. If all my bridge coach ever told me was that I was 'satisfactory,' I would have no hope of ever getting better.

Digital reading will completely take over. It's lightweight and it's fantastic for sharing. Over time it will take over.

The trouble with energy farming is that the energy isn't always where you want to use it, and it isn't always when you want to use it.

There's a basic philosophy here that by empowering...workers you'll make their jobs far more interesting, and they'll be able to work at a higher level than they would have without all that information just a few clicks away.