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.

Learning from experience can help Zambia build on past successes in using ICTs and reach those most in need.

Scientists can help smallholder farmers get more out of their crops in changing food markets.

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.

Genetically modified insects provide a new method for controlling insect-borne diseases and agricultural insect pests.

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.

Integrating wastewater into water resources management can help improve water security and quality.

A five-stage strategy could help reform water policies and institutions, to ensure water security and reduce poverty.

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

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

Nutritional interventions can improve health, save lives and boost economic growth but only if implemented before the age of two.

Traditional knowledge can inform strategies for improving nutrition and help vulnerable populations cope with environmental change.

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