How hydrogen fuel cells are good for the environment - Earth Sciences bibliographies - in Harvard style

In-text: (Hydrogen Cars, 2015)

Your Bibliography: Global-greenhouse-warming.com. 2015. Hydrogen Cars. [online] Available at: <http://www.global-greenhouse-warming.com/hydrogen-cars.html> [Accessed 6 March 2015].

In-text: (How Does Car Pollution Affect the Environment & Ozone Layer?, 2015)

Your Bibliography: Home Guides | SF Gate. 2015. How Does Car Pollution Affect the Environment & Ozone Layer?. [online] Available at: <http://homeguides.sfgate.com/car-pollution-affect-environment-ozone-layer-79358.html> [Accessed 5 March 2015].

In-text: (Weaver, 2015)

Your Bibliography: Weaver, L., 2015. Five Things to Know About Hydrogen Fuel Cell Vehicles. [online] About.com Autos. Available at: <http://alternativefuels.about.com/od/alternativefuels101/a/Five-Things-To-Know-About-Hydrogen-Fuel-Cell-Vehicles.htm> [Accessed 6 March 2015].