Seasonal markers need to be revised to take account of climate change, a study suggests.

A review of experimental GM insect releases points to 'scientific deficiencies' and lack of openness in regulatory approvals.

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

Tribal people in the hills of Tamil Nadu have better knowledge of millet varieties than taxonomists, a study shows.

Tropical cyclone damage costs are set to increase dramatically because of climate change, and population and economic growth, says a study.

A conference in India has heard calls for new, science-based development indices in the run-up to the Rio+20 summit.

Software applications, or apps, that help solve East African farmers' climate problems have received cash prizes in the Apps4Africa competition.

Higher temperatures could decrease wheat yields by causing the crop to age prematurely.

Ocean acidification caused by human activities is likely to hit the Caribbean and west tropical Pacific regions the most.

Slash-and-burn agriculture is more sustainable than modern clearing methods and improves biodiversity, a study suggests.

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

Engineers want the Rio+20 summit proposals to give more emphasis to the role engineering plays in driving sustainable development.

A bioprospecting project in Panama is the first to be funded by the Nagoya Protocol Implementation Fund.

Newly-developed software to monitor food prices of staple crops may help reduce volatility in food prices in many Sub-Saharan countries.

Contrary to popular belief, locusts are hampered by nitrogen-rich food — a finding which could be exploited to control swarms.

A science study published in layman’s language shows how Amazonian fruit trees and plants can support the wellbeing and nutrition of local people.

Pacific islanders are at much higher risk of ciguatera fish toxins than previously thought, and the number of sufferers is increasing.

Thailand is investing in nanotechnology to help alleviate the impact of floods and other natural disasters.

Nepal plans to expand its household biogas programme, a model for developing countries, into commercial use.

Traps that let juvenile and small fish escape have increased the sustainability of fisheries — without affecting fishers' livelihoods.