Careful assessment and policies on genetically modified crops could contribute to agricultural development and food security.

The Rio+20 Secretariat's analysis of S&T trends and achievements since the 1992 Earth Summit points to ways of accelerating progress.

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

City planners can find a way to use existing evidence and deal with uncertainty in designing strategies for climate change adaptation.

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

The media matters in the fight against climate change, and policymakers must engage them as partners in policy and planning

Climate change adaptation initiatives can be built into water management programmes to protect water resources in Africa.

Planting trees in dryland regions can negatively impact biodiversity, and policies must promote the practice on a smaller scale.

Strategies to reduce rural poverty in the face of climate change will largely depend on improving water management in agriculture.

Groundwater storage can improve water security and help poor communities adapt to climate change.

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

Local institutions are key to helping rural smallholders mitigate and adapt to climate change.

Six key issues threaten the promise of climate finance made to the developing world at UN climate talks in Copenhagen.

Better land and water management could improve yields and help developing countries mitigate and adapt to climate change.

Fisheries and aquaculture can adapt to climate change by applying best practices, exploring new options and changing focus.

Providing more and diverse water storage infrastructure is crucial to securing reliable water supplies in the face of climate change.

Policies to combat malaria are needed regardless of climate change, which has a far smaller impact on the disease than human activity.

Enhancing disease surveillance and response and improving environmental conditions can help reduce negative health impacts of climate change.

With the right mix of policy measures, low carbon development can be made to benefit the poor.