Organising research into different types of knowledge can promote decision-making based on evidence from a range of sources.

Scientists can help advance policies to promote agricultural practices that can reduce emissions and boost yields.

Rio+20 is an opportunity to focus on harnessing scientific evidence and good governance to improve the management of water resources.

Scientific collaborations can build trust and facilitate progress in nuclear arms control and disarmament.

Reforming biosafety regulations can provide poor farmers with better access to genetically modified crops.

An innovation systems approach to agricultural research can be better for sustainable development than a linear pipeline approach.