Global warming is an aspect of climate change, referring to the long-term rise of the planet's temperatures. It is caused by increased concentrations of greenhouse gases in the atmosphere, mainly from human activities such as burning fossil fuels, deforestation and farming.
Overall we can not stop these because they are needed in everyday life all over the world.
The Amazon, Nile and Mississippi rivers have a number of similarities including several large tributaries, a mouth that empties into a major ocean or gulf and incredible size.
