Renewable Energy has many parts, and some of them can do jobs that others cannot do. It is important to work together to bring the best renewable Energy to the world that we can hope to achieve.
This diagram represents a short overview over different elements of a renewable energy network, and what the different parts can do, and what not.
For example, Hydropower can be both an energy source (flowing water through a turbine) but also a means of energy storage (by keeping the water behind the dam). Renewable Biomass can be stored well, but can also be turned into a renewable source of energy. Batteries can store energy well, but cannot produce energy.
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And gobal warming means the rivers will soon be hot enough that about half of all salmon species stroke out in them. Replaceing clean energy with fossil fuels, which is the definitional result of removing clean energy from the grid while any fossil plants remain connected, not only hurts salmon numbers today, but ensures that for hundreds upon hundreds of years into the future there can be no salmon.
There is a reason why despite the no change to the number of dams and thouse same dams getting easier and easier for salmon to cross salmon runs have still tended to decline, and keeping methane plants that would otherwise be shut down today operating for decades to come does not help with that.
Neglecting all the stronger hurricanes, monsoons, floods, elimination of coral reefs, forests, and habitat, we can fertilize trees and reintroduce salmon, we cannot refrigerate the rivers.