In different parts of the world there is a scarcity of potable water. How might we solve this problem in the future?

Potable xxxxx xxxxxxxx

Water is an xxxxxxxx xxxxxxx resource that covers xxxxx xxxxxxxx xx the xxxxxxxxx xxxxxxxx xxxxxxxx xxxx about 3% of xxx water xxxxxxx is xxxxxxxxxx

About 25% xx worlds’ population does not xxxx xxxxxx to xxxxxxxxxxxx quality xxxxxx xxxxxxxx of freshwater xxx more xxxx 80 countries face severe water problems. 

xxxxxxxxx drought xxx desertification are xxxxxxxx to xxxxxxx xxx xxxxxxxx Even countries xxxx at xxxxxxx do xxx face water shortages xxx xxxx to tackle the xxxxxxx of xxxxx xxxxx xxxxxxxx in xxx xxxx xxxxxxxxx

xx

Water xxxxxxxxx

Most xxxxx xxxxxxxx xxxx type xx xxxxxxxxx before xxxx even xxxxx from deep wells xx xxxxxxxx The extent of xxxxxxxxx xxxxxxx xx the source xx the water. xxxxxxxxxxx xxxxxxxxxx options xx water treatment include both community-scale and xxxxxxxxxxxxxxx xxxxxxxxxxxx xxxxx designs. A few xxxxx xxxxx areas xxxx xx Christchurch, xxx Zealand xxxx access xx sufficiently pure xxxxx xx xxxxxxxxxx xxxxxx that no xxxxxxxxx of xxx raw xxxxx xx required.

xx xx   xx xx xx   xx       xx   xx         xx xx xx xx xx             xx   xx xx xx xx xx     xx     xx   xx xx   xx xx xx xx xx xx   xx xx   xxxx