Areas at risk: regional and local scales
The global water crises
Drought risk Map – source
Drought risk Map from http://www.eldoradocountyweather.com/climate/world-maps/world-drought-risk.html
Compare the above map with the one below of Total Annual Rainfall – source
- Source: http://www.eldoradocountyweather.com/
Causes of droughts
Climate change is cause of Ethiopian drought
El Niño as a cause of drought in Australia
Global Dimming and drought – Sahel and Maldives examples
Causes of desertification
Desertification in the Sahel – causes and solutions
Effects of droughts and desertification on people and the environment
Mass migration of people and animals
Premature crops and food shortages
Crop devastation
Refugees
Damage to buildings
Management strategies – case studies.
How to green the world’s deserts and reverse climate change