It impacts aquatic ecosystems and can damage the habitats of aquatic animals by blocking off their food sources with dams and the dams can interfere with mating patterns, hydroelectricity also can damage the flora and fauna by floods drowning and killing various animals and plant life and it can lead to the emissions of greenhouse gasses causing air pollution. I hope this helps.
It can affect our ecosystem in many ways, think about the animals. Where are they going to live? If trees, get demolished to create a hotel, or a gas station.
