Earth matters Climate change refers to an identifiable variation in the state of the climate. It can be due to natural internal processes or external forces. Climate change in directly or indirectly attributed to human activity that alters the composition of the global atmosphere and that adds to the natrural variability of the climate. ¡Climate change represents a great danger! Some effects are: Increase in global avarage temperature. We will have floods and river overflow. Global average sea level rise. We will suffer from drastic temperature. Solar Radiation Species loss Increased drought ...