SciDev.Net speaks to UN Environment Programme executive director Achim Steiner at the Eye on Earth Summit (12-15 December) about next year's Rio+20.

New technologies offer the promise of delivering environmental information to anyone who wants it, anywhere in the world. But we are not quite there yet.

An organic farmer has invented a mobile phone application called 'iCow', which lets farmers register their herds and receive expert advice.

The recent nuclear scare in Japan has reinforced pressure in China to raise its awareness of the risks of new technologies. Li Jiao reports.

Researchers hope Syria's wild plant varieties could help in the quest to boost crop yields.

Faced with increasing pressure to grow food, and with growing support to test biotechnology, more African countries may start cultivating GM crops.

Engineering plants to convert carbon dioxide into food more efficiently could play a key role in increasing crop yields, scientists say.

Southern Sudan is rebuilding its agricultural research from scratch, but can it attract the diaspora back to help? Paul Jimbo reports.

A range of crops rich in micronutrients will be launched from next year, but is the developing world ready, asks Tatum Anderson?

Climate change will affect the water security of developing countries. Lucinda Mileham explores their priorities as they struggle to cope.

The development of more nutritious cassava varieties — using non-GM methods — could alleviate malnutrition in the developing world.

As Ug99, the deadly fungus blighting African wheat, marches eastward, scientists across the globe are scrambling for ways to outsmart it.

Kenyan meteorologists are joining forces with traditional rainmakers to deliver communities weather forecasts as climate change takes hold.

With artificial glaciers and more, a Himalayan region is regaining food self-sufficiency, writes Surabhi Pudasaini.

GM crops were supposed to rescue the world's one billion undernourished people. Carol Campbell discusses whether they will ever curb hunger.

Ambitious reforms aimed at meeting the world's food demands lie ahead for the agency that networks agricultural research in poor regions.

Nutrient-rich foods could combat malnutrition — but getting from the lab to the plate is proving a challenge.

An agricultural scientist whose work in sorghum improvement has benefited African farmers has won the World Food Prize.

Is hydroponics — a system using no soil and very little water — a route to increased food security? Some Cape Verdean farmers think so.

Florence Wambugu, winner of the 2008 YARA prize for African agriculture, speaks to SciDev.Net about the challenges facing the field.