Global warming is the increase of average world temperatures as a result of what is known as the greenhouse effect. 

Introduction

thermometerGlobal warming is the increase of average world temperatures as a result of what is known as the greenhouse effect. Certain gases in the atmosphere act like glass in a greenhouse, allowing sunlight through to heat the earth's surface but trapping the heat as it radiates back into space. As the greenhouse gases build up in the atmosphere the Earth gets hotter.  This process is leading to a rapid change in climate, also known as climate change.

Read More: Causes

Related Resources