A new cholera prediction model can warn of outbreaks 11 months in advance and also describe the possible severity.

A report by the UN secretary-general's panel on global sustainability adds weight to calls for more science in policymaking.

Mountain glaciers in Peru are melting quickly, which could result in a water shortage long before the expected 10-30 years, says a study. 

Developing countries could prepare better for extreme weather events if they used more than one weather model, say scientists.

A new book on the vulnerabilities of Pacific island fisheries to climate change finds that although some will benefit more are at risk.

Rising temperatures and less rainfall are causing the deaths of swathes of trees across the Sahel region in Africa, a study claims.

A new survey establishes the extent of the glaciated area in the Himalayas and forms a baseline for further study.

A technology centre in Jordan hopes to unlock the research potential of countries of the Economic and Social Commission for Western Asia.

Thai researchers have suggested a series of measures, including a huge expressway for water, to prevent future flooding in Bangkok.

Performance on commitments made 20 years ago to protect the world's oceans is unimpressive, say reports.

Australia is establishing a centre to share its knowledge of farming in extreme climates with African agricultural researchers.

Scientists may have discovered a way of unlocking Egypt's huge underwater aquifer, but critics question the feasibility of the project.

A scheme that provides three-year awards for collaborative research projects between UK and African researchers is to enter a second round.

African and Latin American scientists are calling for drylands, which are home to two billion people, to be a key part of the Rio+20 agenda.

A study on arsenic contamination suggests that the problem lies with aquifers, not with man-made ponds.

Researchers have combined genetic and location data to track typhoid fever — a technique that could be used for other diseases.

Climate change may shrink crops and animal food sources, damaging ecosystems and human livelihoods, warn scientists.

Recycling old banana plants to make compost could help boost crop yields while reducing fertiliser use, says a study.

A report has warned that the environmental hazard of the Marlin mine in Guatemala outweighs the profits for local communities and the country.

Farmers whose crops failed in the Horn of Africa drought may still be able to farm next year, through a mobile phone insurance scheme.