An Inconvenient Truth

Global warming has become an inconvenient truth for the world's governments and some of its businesses. We the people must rise up and solve the crisis.

an inconvenient truth - graph of world population growth
It took more than 10,000 generations for the human population to reach 2 billion. Then it began to rocket upward to 9 billion in the course of a single lifetime: ours. We have a moral obligation to take this dramatic change into account in terms of the relationship between our species and the planet.
United Nations