When the suns rays hits the Earth and gets trapped this is known as global warming. Global warming is taking over the world fast, but there is away to prevent it. For example If we plant more plants,if we can save energy,if we stop littering ; then we can slow down or even stop global warming.Nobody knows when the world will end, but most people take a guess of around 80-110 years.So let me tell you some ways to prevent global warming.Turn off any electrical devices not in use walk, ride a bike or use public transport whenever you can, also solar panels save alot of energy as well as wind turbines. Lastly spread the word because if the world dies you die. I hope I have persuaded you to save the world !