Global Warming Effects

The effects of global warming on our environment are considerable which affect negatively on the humanity for example by expanding the range of tropical diseases such as malaria, lyme… etc. On the other side global warming affects negatively on the earth composition by increases the risk of flooding throughout making high levels of sea. And also global warming affects the National Security which impact the economical sitiuation in some countries especially the coastal cities. Human activities have been recorded to be the first direct cause of global warming effects as recorded over the last 50 years. Natural reasons such as sea level rise, agriculture and glacier retreat are causing the global warming effects by playing a deep effect in increasing the concentrations of greenhouse gases especially CO2 in the surrounded environment. Both global warming research and computerized methods of understanding global warming have improved since 1990.