| − | '''Hydrocarbon use''' is uncorrelated with [[temperature]]. Temperature rose for a century before significant [[hydrocarbon]] use. Temperature rose between 1910 and 1940, while hydrocarbon use was almost unchanged. Temperature then fell between 1940 and 1972, while hydrocarbon use rose by 330%.<ref>[http://www.oism.org/pproject/s33p36.htm Environmental Effects of Increased Atmospheric Carbon Dioxide] - Global Warming Petition Project</ref> | + | '''Hydrocarbon use''' is the consumption (by combustion) of hydrocarbons, which are used as fuel. Although this process is often linked to man-made climate change, it is actually uncorrelated with [[temperature]]. Temperature rose for a century before significant [[hydrocarbon]] use. Temperature rose between 1910 and 1940, while hydrocarbon use was almost unchanged. Temperature then fell between 1940 and 1972, while hydrocarbon use rose by 330%.<ref>[http://www.oism.org/pproject/s33p36.htm Environmental Effects of Increased Atmospheric Carbon Dioxide] - Global Warming Petition Project</ref> |