The greenhouse effect and the enhanced greenhouse effect explain the increase of the earth's average temperature of the earth's atmosphere and oceans over the last few decades. The first being a natural cause of global warming and the second causes global warming by way of the gases emitted by human activities. Over the last few decades, global warming has been under a lot of scrutiny. This is because it is still not entirely clear whether or not global warming is completely natural or if it's due to the increase of gas emissions since the industrial revolution. Natural or not the earth's climate change has shown to be disastrous even in the last two years alone as there was an increase in floods Europe, more droughts in Africa, a catastrophic tsunami hit Asia and hurricane ruined much of southern America. Consequently...