A meeting in London this week will show whether science can not only diagnose our environmental crisis but also provide effective solutions.

Management of marine resources for sustainable development needs local capacity for science, particularly in the Pacific region.

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

The world still needs nuclear power — but it must be safer and more transparent.

Policymakers need better information about the regional impact of climate change on water supplies, and on ways of adapting to it.

Poor communications, not science, caused the IPCC's 'Climategate' debacle. Despite this, it must keep the doors open between journalists and researchers.

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

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

Clean technology to meet poor communities' needs must lie at the heart of any sustainable strategy to combat climate change.

Climate change's complex links with insect-borne disease need solid research — not alarmism that distracts from other crucial factors.

This week's G20 summit in London must ensure that any solution to the global financial crisis also commits to sustainable economic growth.

Science can help developing countries facing commodity-price and climate turmoil: the biggest challenge is how to ensure it does.

A report last week on the economic aspects of climate change is not just another warning of imminent catastrophe, it is also an optimistic message for developed and developing countries alike.

The forthcoming meeting of heads of the world's industrialised nations must not let self-interest detract from the challenge of global poverty and efforts to soften the impact of globalisation on the developing world.

The political effect on the United States of its failure to anticipate Hurricane Katrina's full impact will hopefully generate a more considered attitude to the threat of climate change.

Last week's report of the Millennium Ecosystem Assessment provides a timely reminder of the plight facing the global environment. But its scare tactics could alienate those whose support is needed to reverse current trends.

The role of climate change — even if only partial — in helping to trigger the current floods of Bangladesh increases the moral duty of rich nations to provide assistance. The issue is all the more pressing as the frequency of flooding is likely to increase in the future.