The long-term average of weather, typically averaged over a period of 30 years. Some of the meteorological variables that are commonly measured are temperature, humidity, atmospheric pressure, wind, and precipitation ha really changed because of human activities which does not protect what we have . Overpopulation has also contributed to this because everyone wants to live and pay daily bills. The rate of birth is far much high compared to motility rates especially in those countries that belief in child wealth.Is there need to regulate the fertility of human beings?