Answer:
After reading this text. We shouldn't be pessimist, the reasons? the human being evolved for thousands of years and developed knowledge to easy its life in his earth as much as it is possible. The human being will think and solve the problems we have.
Step-by-step explanation:
The reasons behind the answer are that in the first place the human been is the perfect machine to solve problems. It has solved many of them and it continues to do so, it also anticipates preparing strategies to solve them before they are present. However we can't only be positive, we have to act in our way. If we know cars consume gas, we go for an electric one, if we know meat is a huge source of pollution and global warmth we stop eating it and replace it with synthetic healthy products.