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

We need to revive the rights-based agenda and realign research priorities for women's health, says Priya Shetty.

Conflicts over shared water resources could be mitigated through science-based environmental cooperation, argue Saleem Ali and Pamela Griffin.

A binding international convention would facilitate a move towards more equitable access to R&D in health, according to Suerie Moon and colleagues.

Farming projects must be able to access research at any point along the innovation trajectory, say Rasheed Sulaiman V. and colleagues.

Next month's meeting in Brazil needs send the right signals to encourage progress on sustainability, says ODI's Claire Melamed.

Technological innovation can't be imposed on poor people — they must be engaged to select ideas that suit their lives, writes Lawrence Gudza.

Current models of innovation ignore small-scale technology — institutions must ensure it's a key part of the agenda, says Tony Marjoram.

New models of intellectual property rights are needed to protect — and promote — local knowledge and innovations, says Anil Gupta.

Emerging resistance to artemisinin means efforts to track genetic markers and regulate the drug's use must step up, says Priya Shetty.

Trade deals are threatening generic drugs — we need new ways to incentivise affordable drug development, says health expert Daniele Dionisio.

Online technologies bring something new to science communication, but blogging has had little impact so far, argues Alice Bell.

Improving health for the poor depends on nurturing local innovations — and learning how to deliver them, argue Abdallah Daar and Peter Singer.

Tackling gender equality with science and technology doesn't have to mean reinventing the wheel, argues Calestous Juma.

Farmers are more likely to use GM crops if they are involved in crop development in the right way, say Obidimma Ezezika and Justin Mabeya.

Peter Messerli and colleagues argue that reforms in agricultural policy will be needed to build green economies in the developing world.

The proposed Sustainable Development Goals need more focus on health to continue the progress achieved with MDGs, argues Priya Shetty.

Pacific islands must build capacity for their own environmental monitoring to tackle both local and global problems, says Ben Ponia.

Climate change could benefit some Pacific fisheries, but tracking the success of adaptation needs effective monitoring, says Johann Bell.

More must be done to prevent damage of ocean data buoys that costs money, vital data — and lives, say Sidney Thurston and M. Ravichandran.