We are the most intelligent animal to habit the Earth. It's a shame that despite all the intelligence we accumulated as a species, did not prevent us to bring our world to the limit of sustainability. It is really remarkable that I was able to finish this series this day, August 09th, a week ago we have reached the Earth Overshoot Day for the year of 2017. If you're unfamiliar with Earth Overshoot Day, it is the day whereby humans have used up their allowance of natural resources that Earth can replenish in one year.
Those resources are specifically, clean water, soil, clean air, carbon sequestration, etc. For 2017, that day was Aug. 2 according to the Global Footprint Network.

I leave you now with the staring eyes of these six Primates, and what they might want to communicate with you...