The text explains what early warning systems are and why they are important for climate action and disaster risk reduction. It describes how these systems collect and analyze data to detect hazards such as storms, floods, heatwaves, or droughts and provide timely alerts to governments and communitie ... s. This allows people to prepare, evacuate, or take protective measures before disasters occur. The article also highlights that effective early warning systems can save lives, reduce economic losses, and strengthen resilience to climate change, especially in vulnerable regions. more

With an estimated population of about 5 million and an annual growth rate of 8 per cent, Dar es Salaam, Tanzania, is Africa’s fastest growing city.1 Over 70 per cent of the people live in informal, unplanned settlements with inadequate infrastructure. In addition, heavy rainfalls twice a year ... result in signifi cant fl ood risks. The objectives in Dar es Salaam were to 1) obtain high quality and up to date exposure maps of aff ected communities and as a stretch goal 2) to create a hydrological model using elevation data. Both of these would form important elements to managing fl ood risks but neither had been previously available due to a lack of high quality digital imagery more

This paper is the first quantitative analysis of how the impact of extreme weather events, such as floods and cyclones, affects the malaria burden on the continent, as well as the implications of long-onset climate change. This research involved developing a climate model to predict changes in inten ... sity, duration, and frequency of floods and cyclones across the continent more