Yet more failure to make much progress on climate change in Durban means that developing countries must exert stronger political pressure.

A Ugandan report suggests that policymakers' interest in science and technology is growing. But they need support to turn it into action.

Millennium Science Initiative funding has produced an impressive range of projects in Uganda. The government is wrong to bring it to an end.

The Horn of Africa drought exposes the continuing gap between our ability to predict disaster and to take effective humanitarian action.

Government attempts to control science communication clash with public demands for accountability, and journalists must resist this trend.

Biosafety is important, but so is ensuring that GM crops benefit the rural poor and that decisions are based on sound science.

Science cannot resolve political conflict. But scientific cooperation can have a key role in maximising post-conflict opportunities.

Helping developing countries communicate and use science is essential to international aid and diplomacy.

Four hundred years after Galileo, scientists still face persecution for speaking out. Laws must not be used to stifle debate.

Politicians won't act to conserve biodiversity unless they have strong evidence that it is an effective strategy for combating global poverty.

The political climate is ripe for a new push to eliminate nuclear weapons; scientists can boost its chance of success.

Indian biotechnologists need to engage GM critics with openness and honesty to win public support.

Tackling recent controversies about climate change data requires a robust partnership between the natural and social sciences.

Communicating why biodiversity loss matters for people is essential for reversing it.

There have been notable successes in science for development over the past decade but still insufficient follow-through for key commitments.

The hacked emails of climate researchers offer an opportunity to show how science is really done — instead of a rearguard defence of scientific 'objectivity'.

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Journalists and scientists must guard against policymakers using science to legitimise pre-chosen and politically-motivated policies.

Science journalists should aim to be "informed critics" of science, supporting its values but wary of backing everything said in its name.

Using science for diplomatic purposes has obvious attractions and several benefits. But there are limits to what it can achieve.