Water Resources & Usages (Uses (Used unsustainably: overload of water…
Water Resources & Usages
hydroponics, stop water subsidies
use drip irrigation, grow less thirsty crops, polyculture farming
reduce leaks, toilet flushes, showering time
: a lot of water is lost due to leaking and evaporation, ecosystems are degraded, communities from where water is taken may not be able to sustain.
Aqueducts, dams, desalination
Ground water from aquifers
Problems from over pumping
: increasing poverty and civil unrest, inequality, saltwater seeping, land subsidence.
: efficient water use, subsidize water conservation, stop growth of water intensive crops, raise price of water, build rain gardens, use permeable paving materials.
: depletion from over pumping, sinking of land, nonrenewable, pollution.
: useful for drinking & irrigation, exists everywhere, renewable, cheaper to extract.
: underground layer of water-bearing semi permeable rock
: impermeable rock layers that prevents water from seeping into the aquifer.
: water seeps from the ground surface directly above the aquifer.
: precipitation soaks into ground and sinks downward.
It is a scarce source; only 0.024% of water supply is available as freshwater.
The higher the freshwater use compared to freshwater availability, the higher the
freshwater scarcity stress
Virtual water: water that is not directly consumed but is used for production.
overload of water pollutants, use up more than what natural sources can replenish it.
: shrinking lakes, disappearing wetlands, water pollution, reduced fish population, extinction, poverty, global health, diseases, international tensions
Only 0.024% is used.