More species are or will be extinct unless the forests are conserved. The world is faster, bigger, and more chaotic. It is more stressful than in the past and people have to keep up with many more things. With all of these negatives it seems like the world pays a big price for technology. While there are many detriments of technology, the benefits out way the problems that arise.
People are safer from natural accidents, and disease then ever before.
The down side is that man has more power in his own hands. It all depends on how he chooses to use it. In the future technology will continue to evolve and trends have shown that the negatives will continue to decrease.