Child malnutrition among refugees who fled conflict in Myanmar still needs attention, writes Sandy Barron.

African governments need to boost local efforts to protect endangered species by supporting DNA testing, argues Linda Nordling.

Kenya has bypassed its own biosafety watchdog in banning GM foods, which will stifle balanced debate of GM in Africa, says Linda Nordling.

To engage people in early action we must understand their experience, behaviour and constraints, says disaster policy expert Andrew Collins.

The world's food security depends on the quality of the forward-looking agricultural studies we are carrying out today, says Mark Holderness.

Ten years after introducing a Biodiversity Act, India is yet to put it to serious use, say Shalini Bhutani and Kanchi Kohli.

Theatre is a powerful tool to mobilise women farmers in Africa, say agriculture specialists Lindiwe Majele Sibanda and Sithembile Mwamakamba.

We need to know more about how smallholder agroforestry can help farmers adapt to climate change, write James Roshetko and Rodel Lasco.

Looking through a 'human rights lens' can improve S&T programmes, while S&T can help strengthen human rights work, says lawyer Jessica Wyndham.

A lack of evidence to convince policymakers holds back progress on grassroots innovation in agriculture, say Brigid Letty and Martin Bell.

Evidence of impact shows that libraries can be local hubs for community development, says communication specialist Jean Fairbairn.

The developing world needs support for low-tech health innovations that do not compromise on effectiveness, says Priya Shetty.

Development programmes must move away from top-down approaches to empower networks of activity, argues USAID Administrator Rajiv Shah.

A collaborative project in Ethiopia that has created climate data and tools can be applied in much of Africa, says climate scientist Tufa Dinku.

Countries in South-East Asia must learn from successful family planning programmes if living standards are to improve, says Crispin Maslog.

Debates around recent estimates of African groundwater storage capacity have been misguided, argue John Thomas and colleagues.

Pacific governments should not approve deep-sea mining until more is known about its likely impact, says conservation biologist Mellie Samson Jr.

South-East Asian nations should follow the Philippines down the path to biotech crops for food security, argues Crispin Maslog.

Rio+20 must launch SDGs to guide countries through complex development challenges, argues Colombian ministry official Paula Caballero Gómez.