Maybe under your bed hope that helped :)
Consisting of Lakes<span> Superior, Michigan, Huron (or Michigan–Huron), Erie, and Ontario, they form the </span>largest group of freshwater lakes<span> on </span>Earth<span>, containing 21% of the </span>world's<span> surface </span>fresh water<span> by volume.
Hope This Helps!</span>
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.
Chlorophyll gives plants their green color