Toxic travellers

Developing countries are wary of the proposed treaty as chemicals like DDT are still used in many malaria-prone regions for vector control

Rio's stepchild

Northern countries still see desertification as a local problem caused by population pressures rather than international trade patterns and …

Biodiversity

To energise the biodiversity convention, the world will have to first deal with difficult countries like the US

Boiling point

Climate change negotiations get emotional because carbon dioxide emissions are closely related to individual lifestyles - and to national …

In favour of wetlands

Benefits from upstream irrigation projects cannot replace those derived from natural floodplains

Housing plan, at sea

An artificial reef could be the ideal habitat for threatened sea creatures

New fishing technique improves health safety of African fish processors

Improved design took five years and has been a hit with female workers, particularly in Côte d'Ivoire

For common sense

Down To Earth articles on shahtoosh and Veerappan provoke comment. We decided to excerpt them. But first, the editor's rejoinder

How did it go wrong?

The corrupt and inefficient among pollution control authorities have surrendered India's groundwater to unscrupulous industrial units

Disasters in the making?

Groundwater contamination in India is verging on disastrous proportions, especially with regard to mercury

Trail of a $500 m gene

How a rare African algae collected by a French academic turns into a commercial bonanza for an equity firm in Hong Kong. Are there any benefits …