In detail explain one way in which humanity has impacted on the movement of water with in the water cycle??plz

Question

also in detail explain one way in which humanity has impacted on the temperature of the atmosphere.

i know its homework but please help me, its due today, please

Answer 1

Deforestation, pollution

Answer 2

- building dams on rivers to harness hydroelectric power

- as above, deforestation that allows runoff (the way the Ganges river floods Calcutta and Bangladesh every year).  

- straightening out of the Mississippi River ruined the ecosystem along the river.