The U.N. International Strategy for Disaster Reduction provides a wide range of resources on high-level work to cut the risk of disasters. It also backs a specialised site for disaster risk reduction, called PreventionWeb.

The Belgium-based Centre for Research on the Epidemiology of Disasters has a database of data and statistics on disasters.

The U.N.-backed humanitarian information website ReliefWeb offers updates from governments, aid agencies and academics on individual emergencies, as well as broader relief issues and a facility to track aid spending.

The Global Disaster Alert and Coordination System (GDACS) provides near real-time alerts about natural disasters around the world, as well as tools to support response, including media monitoring and map catalogues.

The U.S. National Oceanic & Atmospheric Administration gives storm forecasts, and makes seasonal hurricane predictions. Tropical Storm Risk does the same on a global scale.

The Humanitarian Early Warning Service provides an overview of natural hazards around the globe, including storms, floods and droughts.

The Famine Early Warning Systems Network (FEWS NET) is a U.S.-funded initiative that collaborates with international, regional and national partners to provide early warning and vulnerability information on food security.

The United Nations Intergovernmental Panel on Climate Change (IPCC) assesses "scientific, technical and socio-economic information" relevant to understanding climate change, its potential effects and the options for curbing and adapting to its consequences. The IPCC's website carries summaries and full versions of all the body's key reports, as well as press releases and webcasts of important press conferences.

The World Meteorological Organization provides information and resources on weather and climate change.

The International Research Institute for Climate and Society (IRI) has done a lot of work on helping poorer countries improve their access to weather and climate information, and promoting climate risk management.

The website of the London-based International Institute for Environment and Development offers an overview of the impact of climate change on cities and how they are adapting.

Britain's Institute of Development Studies has a specialist Climate Change and Disasters Centre which publishes research on a range of issues, from how children are affected by climate change to ways of achieving low-carbon growth.

The website of the Red Cross/Red Crescent Centre on Climate Change and Disaster Preparedness explains what the organisation is doing to help reduce the impact of climate change and extreme weather events on the communities it works with.