Yuan Tseh Lee, president of the International Council for Science, tells SciDev.Net what scientists must achieve at Rio+20.

Yojana Sharma analyses the work of a four-day meeting on access to data and information that will feed into next year’s Rio+20 conference on sustainable development.

Smriti Mallapaty looks at an attempt to overcome the difficulties of accessing and understanding environmental and societal information.

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.

A preparatory meeting for the Rio+20 summit will discuss open access environmental data with a focus on biodiversity, water, oceans, cities and disasters. Yojana Sharma reports.

As International Day for Disaster Reduction nears, Rui Pinho, who leads the Global Earthquake Model, talks to SciDev.Net.

Hindu-Kush-Himalayan countries need to share data and collaborate better to tackle climate change, Andreas Schild tells SciDev.Net.

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

Scientists in the Democratic Republic of Congo don't have the resources to monitor the country's volatile volcanoes adequately.

Andreas Schild of the International Centre for Integrated Mountain Development talks to SciDev.Net about glacial retreat.

Many new technologies have promised to remove arsenic from drinking water but little has changed on the ground, finds T. V. Padma.

Sian Lewis explains how remote sensing can be used to manage natural disasters and highlights ongoing efforts and obstacles.

Developing nations are building their own satellites despite freely available Western data. Do the gains outweigh the costs, asks Tatum Anderson.

Nepal is using plants and modern engineering to combat the landslides that regularly plague the nation. Badri Paudyal reports.

Today's maps are sophisticated tools, helping developing countries track everything from drought to disease, reports TV Padma.

Indonesia's mud volcano has so far been both a defeat and an opportunity for scientific understanding, reports David Cyranoski.

New climate change models predict a heavy impact from global warming on Brazil's biodiversity, agriculture and health, reports Helen Mendes.

In the aftermath of the October earthquake, Pakistan is struggling to ready itself for the next big one, reports Geoff Brumfiel.

Richard Stone and Richard A. Kerr report on how the Indian Ocean tsunami warning system is gradually taking shape.

Flood-prone Asian nations are starting to share information that could help save lives but this exchange needs to be more open to be effective, reports Navin Singh Khadka.