Every day, the world's population increases, as does the demand for natural resources. Natural resources are elements of nature that are necessary or useful to humans. However, the most used and demanded natural resources are non-renewable, meaning they are limited and cannot last forever. Most of these non-renewable resources are fossil fuels. As the expiration date of these resources approaches, we must rely on finding alternative fuel sources. In this essay we will discuss both the problems associated with the use of fossil fuels and the solutions we have found. Say no to plagiarism. Get a tailor-made essay on “Why Violent Video Games Should Not Be Banned”? Get the original essay Fossil fuels are a natural but non-renewable fuel like oil or coal. They formed by the carbonaceous process called sedimentation (formed from decaying organisms) mainly 360 to 300 million years ago during the Carboniferous period. During combustion (burning fossil fuels), the hydrocarbons in the fossil fuel create energy. The energy is then converted into electricity and used for all kinds of purposes. Fossil fuels are inexpensive and easy to export and import. According to the CIA, more than 66% of the world's electricity is produced from fossil fuels. But according to the global carbon budget, they also generate 87% of global carbon dioxide emissions. Fossil fuels contribute greatly to environmental degradation. National Geographic refers to the carbon budget, which balances the carbon found in water, land and air. It states that during the combustion process, the carbon dioxide contained in fossil fuels is released as carbon dioxide. This has a negative impact on the Earth by unbalancing the greenhouse effect. The greenhouse effect is a natural process of warming the earth. The sun sends solar radiation towards the Earth, part of the solar radiation is reflected into space by the Earth's atmosphere, another part enters the Earth's atmosphere. This is then absorbed by the land and oceans which warm the Earth. They release the radiation in the form of heat and it travels towards space. Greenhouse gases present in the atmosphere are able to trap some of the heat inside the Earth's atmosphere while some is radiated back into space. Recently, due to the massive use of fossil fuels and the greenhouse gases (carbon dioxide) they release, heat is not returned to space. This is what we call global warming, which causes climate change, extinction of animals, extinction of plants, etc. Fossil fuels are the cause of such problems affecting the earth and scientists need to find alternatives. The alternative fuel I chose is biodiesel; a renewable and biodegradable fuel. It is a cleaner burning substitute that is produced from vegetable oil, animal oil/fat, tallow and used cooking oil. Currently, most biodiesel is produced from vegetable oil waste from restaurants and food production companies like Birdseye. Biodiesel produces lower levels of most air pollutants than petroleum-based diesel fuel. To lower prices, a common blend of biodiesel is usually sold as a blend of.