Effects on the environment

Write and Explain the kind of effect( positive or negative or both) the following have on the environment and why. 
This requires research. 
1. Riding ATV's Over the Land: is a Negative effect on the land because it tares up the land and the vegetation in that area 

2. Wind Turbines from wind farms. is a negative effect on the environment because you have to clear trees to put them in and you also have to dig the ground up and it also messes up birds migration routs

 

3.Flooding is both negative and positive effects on the environment because the flood kill all the crops you planted but the positive effect is that it brings in great nutrients for the land.