This lesson covers the following: Water security and
scarcity Water footprints Case study on water management in South Africa (Lesotho Highlands) Rain harvesting Over abstraction in India There are task sheets and work sheets throughout and I have provided notes for any case study materials.
Not exact matches
«This means that taking into account the way the
water use contributes to local
water scarcity, the
water footprint of producing 1 L of milk on these farms had the equivalent impact as the direct consumption of only 1.9 L of
water.
However, when the type of
water being used and the local
water scarcity was taken into account, the
water footprint of the M&M's ® (31 L H2Oe per 250 g packet) was actually one - tenth the
footprint of the sauce (350 L H2Oe per 375 g jar).2
Working with Worms to Fight Climate Change Global studies show that
water scarcity and
water stress are increasing, and as much as 15 % to 35 % of human withdrawals of
water for agriculture are considered unsustainable.1 Achievement of climate change - related commitments like those made at last year's Paris Climate Conference («COP21») will require that businesses strategically manage their
water footprints for maximum efficacy while mitigating negative impacts.
«Some companies see the business risks attached to
water scarcity and seriously look into how to reduce and offset their
water footprint,» Hoekstra adds.
Hoekstra, A. Y., Mekonnen, M. M., Chapagain, A. K., Mathews, R. E. & Richter, B. D. Global monthly
water scarcity: blue
water footprints versus blue
water availability.