Global warming Essay

write a two page essay (minimum of 500 words) on the concept of our global environment – and of the changes we are seeing in the environment today, including the problems of global warming. Based on evidence you can find online, do you think that global warming is really happening, what is the evidence for this, and if it is in fact real, what are the causes of global warming? Properly cited source 1: 8 points Properly cited source 2: 8 points Properly cited source 3: 8 points Properly cited textbook: 8 points One picture with cut line and source: 8 points. 1 point deduction for each spelling, syntax, or grammar error