Walmart's Global Women's Economic Empowerment Initiative is working to create opportunity and empower women and girls in markets around the world.

Empowering small farmers to increase productivity, improve crop quality and access reliable markets is critical to addressing global hunger and poverty.

To get the most from agricultural resources, poor farmers' needs must come first, guiding investment strategies and forming the yardstick for gauging results.

No innovation in the past 200 years has done more to save lives and improve health than the sanitation revolution triggered by invention of the toilet. But it did not go far enough. It only reached one-third of the world.

My mother went to a school called 'The Club of the Three Wise Monkeys'. And my grandmother, my father's mother, had a gold charm for her made with the speak no, see no, hear no evil monkeys. And I was fascinated by that charm. I'd sit in my mother's lap and play with it all the time.

My parents were wonderful people, but there were terrible rows between them, and at times I found the atmosphere at home unbearable. The Arthur Ransome books gave me an alternative childhood and the tools to escape.

A lot of times, you try and please your biological family, and you can't please them.

I didn't make any money out of my art until I was in my 40s, but it preserved my sanity and my freedom.