SciDev.Net

Developing-world scientists should make every effort to pursue careers at home – and their governments should help them, says Mohamed Hassan.

African malaria research networks have helped scientists combat the disease, but they need more stable support and longer-term funding, says Thomas Egwang.

Renewed political commitment means China and India could set the pace for bilateral South–South collaboration, say Purnima Rupal and Dinesh Abrol.

By tapping into the increase in developing country scientists, US innovators could reinforce their market positions, says G. Pascal Zachary.

Thousands of traditional crop species could help break dependence on a few global food crops, and offer valuable environmental services, says Monty Jones.

Let's encourage the mood of political cooperation on the big issues during the International Year of Planet Earth, says Nasser Ennih.

The UN is inhibiting innovation through over-regulation of new biotechnologies, argues Henry I. Miller.

More research is needed to see whether the success of the WHO's tuberculosis programme is at risk, say G. E. Davies and S. B. Squire.

Based on current growth rates, China's carbon emissions will equal today's entire global output by 2030, warn Ning Zeng and colleagues.

Revised HIV/AIDS figures are a sign of better data, not that the epidemic is slowing. There is still much to be done, says Kevin De Cock.

The health sector must more closely consider the effects of climate change, write A. J. McMichael and colleagues in the British Medical Journal.

Lack of drugs is a factor in the likely failure to meet MDG targets to lower maternal mortality, write Nicholas M. Fisk and Rifat Atun.

The plague's extraordinary abilities as a pathogen mean it should be taken more seriously, say Nils Chr. Stenseth and colleagues.

Monsanto and Syngenta should not have walked out of an international agricultural assessment, say Nature.

New institutions are needed to tackle environment and poverty problems, say Kamaljit S. Bawa, Ganesan Balachander and Peter Raven.

China needs to change its model of economic development if it wants to curb environmental damage, say Jianguo Liu and Jared Diamond.

D. J. Murphy calls for Islamic cultures to rekindle their rich tradition of innovative science and technology from earlier centuries.

Twenty-five years after the discovery of HIV, there is no marketable AIDS vaccine — and it is uncertain whether there ever will be, writes Robert Steinbrook.

Africa should invest in generating software content that encourages children to engage with technology, writes Calestous Juma.

Biofuels offer huge potential, but pose challenges best countered with strong and coherent development policies, says S. Arungu-Olende.