The overall human population growth is about 75 million yearly, that is, 1.1 percent each year. The global population has grown from 1 billion in 1800 to 7 billion in 2012 and is anticipated to keep growing.
With the exponential growth of human population, one of the negative consequence is the potentially permanent destruction of the environment. The majority of the researchers has agreed that the change in climate is a result of mass population explosion leading to the discharging of greenhouse gases in the atmosphere.
The role of human activities in climate change is a hot debate at the moment, and the future holds significant vagueness for restricting the growth of human population and protecting the environment.