stratovolcano

Ruang Volcano in Indonesia experienced multiple eruptions last week. The volcanic phenomenon was pushed so high that it reached the stratosphere of the atmosphere, estimated to be

In May 2006, the whole world was startled when an Indonesian volcano erupted. The reason is because it is the most ... dirty and horrifying eruption in history.

In the US, it is estimated that more than 250 million tons of waste is emitted each year, equivalent to 20kg / person / day. In Vietnam, statistics show that every citizen is