Scientists should speak out on the environmental effects of ventures such as tar-sands mining. (Editorial)

Moves to price new pharmaceuticals sensibly shouldn't damage the industry's health.

Next week's climate meeting in Mexico should avoid talk of more ambitious targets, says Yvo de Boer. First, we need people to believe in green growth.

With nations in gridlock over emissions, UN negotiators are concentrating on side deals to revive an ailing process.

As co-chair of Working Group III of the Intergovernmental Panel on Climate Change (IPCC), I would like to clarify your misleading implication that I recommend geoengineering as an option for attaining ambitious climate targets (Nature 468, 13

Biodiversity is rapidly declining, and this may negatively affect ecosystem processes, including economically important ecosystem services. Previous studies have shown that biodiversity has positive effects on organisms and processes4 across trophic levels. However, only a few studies have so far incorporated an explicit food-web perspective.

First affordable and effective weapon against killer meningococcal meningitis A rolled out in Africa.

With global warming hitting the Tibetan plateau hard, scientists gather to plan an international research campaign to understand and mitigate changes at the 'third pole'.

California climate initiative moves decisively forward, providing a glimmer of hope. (Editorial)

Draft regulations will pave the way for copycat antibodies and other large molecules.