We all know that natural disasters occur all over the world, and they can completely destroy human life as well as our living environment. One of the popular ones is floods, which take place everywhere in the world. A number of different natural causes leads to floods, and their consequences are extremely terrible. Recognizing these causes will be of assistance to help us cope with floods effectively.

Floods happen in case an unusually large amount of water accumulates in an area. This phenomenon results from several reasons, and certain things are able to happen when floods occur. The first reason is that thunderstorms take place in an area for a short time. In this case, the rivers and water streams pouring into the sea are flooded with their inability to drain water, causing floods. One of the other causes is the unusual activity of the tides, leading to the seawater to penetrate deeper into the mainland, which results in an increase in the flow of water on large rivers. It is possible to cause extreme tsunamis due to the enhanced effect of the earth’s crust, leading to high-intensity floods. Floods will also happen when man-built dams collapse. These dams receive water from the rivers and are capable of storing large amounts of water, which supports us to change the flow of water. However, sometimes, the amount of water might exceed the tolerance of the dams, as a result, they collapse. At that time, an enormous amount of water will be released, creating a fierce wall of water to pass through and destroy the lands it flows through. These are the main explanations of floods.

Reason : 
- People litter indiscriminately, making the environment seriously polluted.
- Due to the emissions from industrial and biological activities.
- Due to the type of plant protection chemicals and chemical toxins.
- Due to radioactive agents.
- Due to the solid waste.
- Due to noise, dust, smoke ...
- Due to pathogenic organisms ...
- Illegal hunting of wild animals