1. Water Security or insecurity

2. Important terms
Arable land -  land capable of being ploughed and used to grow crops
Desertification - the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture
Drought - a prolonged period of abnormally low rainfall; a shortage of water resulting from this.
Deforestation - the removal of a forest or stand of trees where the land is thereafter converted to a non-forest use. Examples of deforestation include conversion of forestland to farms, ranches, or urban use. The most concentrated deforestation occurs in tropical rainforests

3. Step 1 of desertification
Semi-arid region – little but some rainfall
Vegetation lives in a fragile state with barely enough to survive

4. Step 2 Desertification
Farming and burning wood in a semi-arid region

5. Step 3 of Desertification
During desertification the natural ground cover (grass and some trees) are either permanently removed or replaced with crops.
Crops do not keep top soil in place like natural grass
Worst case example in history
Dust Bowl – USA 1930s

6. Step 4
Topsoil is gone
Natural water cycles and flora that stores water are disrupted
The damage is done and you now have a desert

7. So where in the world is water becoming scarce?
Map of water pressure and projected Source - National Intelligence Council (US), ODNI
Water%20Security%20Map.pdf
Homework – read this article and answer questions

8. Vice: India’s water Crisis
Vice – sn 3 ep 9 “India’s water crisis”
Vice - sn 4 ep 5 “The End of Water”
Homework/classwork - “Water map shows billions at risk”

9. Water closer to home Vice – sn 2 ep 8 - Deliver us from drought
Homework – read
Climate Scientists Fear Trump May Fatally Undermine Their Work