Water consumption Management / Sustainability issues

Question 1

What percentage of domestic water use is from toilet flushing?

Answer 1

30%

Question 2

How can water consumption be reduced domestically?

Answer 2

Water meter
‘waterwise’ checkmark on appliances
Use rainwater
Greywater flush

Question 3

How many million litres of water is lost per day due to leaking pipes?

Answer 3

87 million litres! :o

Question 4

How can agriculture reduce its water consumption?

Answer 4

Hydroponics - use 20% of water you’d use in the ground
drip irrigation (uses 40% less water than normal irrigation)
stonelines
Xeriscaping

Question 5

What strategies can be used to manage water use?

Answer 5

Reducing virtual water trade
land use,
recycling water + leakage control
Groundwater management!

Question 6

Critique of reducing virtual water trade

Answer 6

China’s Bonai Bay
scheme implemented. Water use down but so did economic development, welfare, employment

Question 7

Critique of land use, economical and afforestation

Answer 7

excessive evapotranspiration from leaves - can limit groundwater supply
trees may consume more water than omit.

Question 8

Critique of recycling, greywater control

Answer 8

Mainly suited to hotels, leisure centres, large offices - have £ for new infrastructure.

Question 9

Crtique of groundwater management

Answer 9

Aquifers - take a long time to recharge.

Question 10

by 2025, how many (fraction) will face water shortages?

Answer 10

2/3rds