Humanity as a whole needs to replace our obsolete energy resources with newer, more efficient, less wasteful and destructive sources. Oil, coal, lead-acid batteries and many other high-risk sources are already being replaced by cleaner, safer ways to create and store energy. Semi-renewable sources such as biofuels and harvested methane are being implemented to clean up waste from agricultural sources. Renewable sources such as hydropower and solar power are also being implemented, but are too expensive to keep up with, have a high waste rate if they ever fail, and do not have enough energy production to support large populations. We need to convert to more efficient forms of heat engines and safer nuclear energy, otherwise we will run out of energy due to the inefficiencies of the sources we are using now. Safer nuclear plants should be implemented using a less dangerous source than plutonium and hydrogen, as like Thorium and Liquid Fluoride, we could only rely on Thorium energy production, which is easily obtainable and also cheap to renew. This combination is used to eliminate the danger from the use of plutonium and hydrogen, caused by the hydrogen atom, which, when used in a nuclear reactor or heat engine, can split and cause an explosion aggravated by the spread of large amount of radiation. Both of these factors can make large areas uninhabitable and take centuries to clear. Among our resources, coal, oil and lead batteries are the most wasted and dangerous sources of energy. Their mobility, ability to be compact and high-energy make them almost necessary for the life of technologically advanced people. The amount of energy they produce is more than enough to allow us to live comfortably...... middle of paper ......tml#c1> August 2000. 11/12/2013.“Oil and gas production Waste” Environmental Protection Agency 08/30/2012. 10/12/2013.Pottinger, Lori. “Environmental impacts of large dams: African examples” International Rivers 1/10/1996. 12/11/2013.Union of interested scientists. “Environmental impacts of hydroelectric energy” UCSUSA 05/03/2013. 12/11/2013>Woody, Todd "Solar power was America's only new energy source in October" The Atlantic. 11/26/2013. 12/11/2103.