What is Global Warming?

Global Warming is defined as the increase of the average temperature on Earth. As the Earth is getting hotter, disasters like hurricanes, droughts and floods are getting more frequent. But is it our fault or the earths?

Global Warming a hot topic of the 21st Century. Over the last 100 years, the average temperature of the air near the Earth´s surface has risen a little less than 1° Celsius. Scientists think that, that is a very high rise in tempature for the earth. They also say that the earth should be in a cooling stage instead of warming up. Earth naturally goes through these phases cooling and heating. Such as ice ages and tropical times. these times ussally take 50,000 to 100,000 years to complete.

Image via Wikipedia

This Image Shoes the rise of surface temperatures in the last hundred years.

Image via Wikipedia

Predictions of global warming

So what do you think is it Humans or nature just leave a comment.