Men must teach each other that real men do not violate or oppress women - and that a woman's place is not just in the home or the field, but in schools and offices and boardrooms.

The future of any leader or political systems is to be determined by the people of the country.

Saving our planet, lifting people out of poverty, advancing economic growth... these are one and the same fight. We must connect the dots between climate change, water scarcity, energy shortages, global health, food security and women's empowerment. Solutions to one problem must be solutions for all.

People everywhere look to the United States to use its remarkable power to help lift humanity up and to work for the common good.

Many say our world is at a tipping point. If we do not act together, if we do not act responsibly, if we do not act now, we risk slipping into a cycle of poverty, degradation, and despair.

The international community must offer short-term emergency measures to meet critical needs. But it must also make longer-term investments to promote food production and agricultural development, enhance food security and maintain and accelerate momentum towards the MDGs.

To achieve a Green Revolution, African farmers, must have access to land and security of tenure. They also need access to markets, technology and improved infrastructure.