Today, our world has many problems, such as earthquakes, tsunamis, volcanic explosion, but the issues that most impact is. Global warming, which is a problem that has long been, and still is not fixed as many reasons cause.
Today, our world has many problems, such as earthquakes, tsunamis, volcanic eruptions. But the greatest impact is global warming, a problem that has long been, and still find a way not caused by many reasons.
At present, our world has many problems, such as earthquake, tsunami and volcano, but the problem that affects most is global warming. A problem has been long and also fix, not by reason many causes.