My personal priority during the UK's Presidency of the G8 this year is to secure new international action against the use of rape and sexual violence as a weapon of war.
The IF campaign focuses on four "ifs" that could free millions from the cycle of hunger and food insecurity... if we can make them a reality.
During the Olympics, I'll be watching like everyone else but it's important to also keep a spotlight on those whose struggles are less in the public eye.
This G8 summit was, yet again, a missed opportunity for international leaders to make a real commitment to long-term food security and support for African and developing world farmers.
Among so many world leaders and high-level representatives from civil society and academia, I felt a sense of critical mass beginning to form in the fight to end global hunger.
President Obama's New Alliance announcement is an acknowledgment that the global community is capable of achieving an enormous impact even in an economic environment where many nations are being forced to retreat from their promises.
Neither governments nor global corporations bothered to consult with those who have the biggest stake in rebuilding agriculture in Africa: the farmers.
By 2050, there will be 9 billion people living on our planet, and to feed these people we are going to need 70 percent more food to meet demand. That's a big challenge, and one that requires commitments and investment from world leaders to help overcome.
When the chief economist for the International Energy Agency issues a dire warning, you'd think the world's leaders would sit up and take notice.
It sounds easy to throw money at the Pentagon and buy more security. But we all know that's not how security works -- it's like investing tens of thousands in a terrific alarm system for your house, then leaving your windows open.
As an amateur climber for 20 years, I learned that to scale daunting cliffs and ice, two core attributes are required -- courage and teamwork. You probably feel like you have been climbing your own mountain after two days of G8 talks at Camp David
While it is too early to speculate about what the UK government will prioritize next year, and it's unlikely that it will publish any formal agenda until the end of this year, we do know that much has changed since the last UK presidency of the G8 in 2005.
Frontline health workers are really the backbone of effective health systems in developing countries. These workers are members of the community who live in the communities they serve and understand the needs as well as the barriers to achieving optimal health.
bringing the benefits of agricultural development to the farmers at the end of the road, is the challenge within the challenge.
Not only that we must redouble our efforts to increase our overall food production, but that we must do this with a smaller impact on the climate while promoting sustainable diets and uncovering new methods for efficient distribution and waste prevention.
There will be a significant audience missing from the G8 Summit symposium on food insecurity -- the people who are going to be responsible for feeding those additional two billion in 2050.