Is Climate Change human induced or a natural phenomenon? - Earth Sciences bibliographies - in Harvard style

In-text: (What are the greenhouse gas changes since the Industrial Revolution?, n.d.)

Your Bibliography: American Chemical Society. n.d. What are the greenhouse gas changes since the Industrial Revolution?. [online] Available at: <http://www.acs.org/content/acs/en/climatescience/greenhousegases/industrialrevolution.html> [Accessed 22 January 2015].

In-text: (Human Population Growth and Climate Change, n.d.)

Your Bibliography: Biological Diversity. n.d. Human Population Growth and Climate Change. [online] Available at: <http://www.biologicaldiversity.org/programs/population_and_sustainability/climate/> [Accessed 22 January 2015].

In-text: (DeLoux, 2009)

Your Bibliography: DeLoux, L., 2009. Does Population Growth Impact Climate Change?. [online] Scientific American. Available at: <http://www.scientificamerican.com/article/population-growth-climate-change/> [Accessed 22 January 2015].

In-text: (How are humans responsible for global warming?, n.d.)

Your Bibliography: Environmental Defense Fund. n.d. How are humans responsible for global warming?. [online] Available at: <http://www.edf.org/climate/human-activity-is-causing-global-warming> [Accessed 22 January 2015].

In-text: (Climate Change: Basic Information, 2014)

Your Bibliography: EPA. 2014. Climate Change: Basic Information. [online] Available at: <http://www.epa.gov/climatechange/basics/> [Accessed 21 January 2015].

In-text: (Overview of Greenhouse Gases, n.d.)

Your Bibliography: EPA. n.d. Overview of Greenhouse Gases. [online] Available at: <http://epa.gov/climatechange/ghgemissions/gases/n2o.html> [Accessed 22 January 2015].

In-text: (Hayes, 2015)

Your Bibliography: Hayes, D., 2015. Of course climate change is real. The Sun, p.12.

In-text: (McLamb, 2011)

Your Bibliography: McLamb, E., 2011. The Ecological Impact of the Industrial Revolution. [online] Ecology Global Network. Available at: <http://www.ecology.com/2011/09/18/ecological-impact-industrial-revolution/> [Accessed 22 January 2015].

In-text: (El Niño cycle has a big effect on a major greenhouse gas, 2013)

Your Bibliography: MIT News. 2013. El Niño cycle has a big effect on a major greenhouse gas. [online] Available at: <http://newsoffice.mit.edu/2013/el-nino-cycle-affects-nitrous-oxide-emissions-0927> [Accessed 22 January 2015].

In-text: (A blanket around the Earth, n.d.)

Your Bibliography: NASA. n.d. A blanket around the Earth. [online] Available at: <http://climate.nasa.gov/causes/> [Accessed 22 January 2015].

In-text: (Do you believe Ian Plimer?, 2009)

Your Bibliography: Web Archive. 2009. Do you believe Ian Plimer?. [online] Available at: <http://web.archive.org/web/20100105155104/http://tamino.wordpress.com/2009/08/13/do-you-believe-ian-plimer/> [Accessed 22 January 2015].

In-text: (How agriculture contributes to climate change?, n.d.)

Your Bibliography: World Future Council. n.d. How agriculture contributes to climate change?. [online] Available at: <http://www.worldfuturecouncil.org/2326.html> [Accessed 22 January 2015].

In-text: (Current Population is Three Times the Sustainable Level, n.d.)

Your Bibliography: World Population Balance. n.d. Current Population is Three Times the Sustainable Level. [online] Available at: <http://www.worldpopulationbalance.org/3_times_sustainable> [Accessed 22 January 2015].