Human Impacts 

pros :

it was Human been lazy that pushed all these invention been invented, we need to thanks those people invent air conditionar that help us get the best tempreture we want, and it all these invention also helps us living in a better life.

Cons:

we had to admit that with more and more job has been replaced by the machine, yes we are getting more convinence life, but in another way, people are too rely on the machine, people will eventuraly lose their ability to work at stuff.