In addition, threats to the environment resulting from human action. There are also the environmental threats that occur naturally, which affect the environment, such as the vast volcanic explosions, flood and wildfire tsunami earthquake landslide.
In addition to the environmental threat caused by human action already. There are environmental threats which occur naturally. The impact on the environment as much as volcanic eruptions, floods, forest fires, tsunamis, earthquakes and landslides.
In addition to environmental threats resulting from human action. There are threats natural environment , which affect the environment, many, such as volcanic eruptions, floods, forest fires, tsunami, earthquake.