It's is called sustainability
Answer:
Our Sun is just one star among the hundreds of billions of stars in our Milky Way Galaxy. ... Galaxies come in many sizes. The Milky Way is big, but some galaxies, like our Andromeda Galaxy neighbor, are much larger. The universe is all of the galaxies – billions of them!
I think the two sources would be drip irrigation which is like a river, lake, groundwater, etc... The second source could be is making a new irragation system that could deliver water faster.
A - Wind carries sediments to a new location