Changes

'''Green''' is a color made by combining [[yellow]] and [[blue]] pigment. It is a [[primary color]] in light. Green is the color of many plants and living things.

'''Green''' is a color made by combining [[yellow]] and [[blue]] pigment. It is a [[primary color]] in light. Green is the color of many plants and other organisms, due to the presence of [[chlorophyll]].

In the poem "Nothing Gold Can Stay", [[Robert Frost]] wrote:

In the poem "Nothing Gold Can Stay", [[Robert Frost]] wrote:

<blockquote>''Nature's first green is gold, her hardest hue to hold.''<ref>http://www.english.uiuc.edu/maps/poets/a_f/frost/gold.htm</ref></blockquote>

<blockquote>''Nature's first green is gold, her hardest hue to hold.''<ref>http://www.english.uiuc.edu/maps/poets/a_f/frost/gold.htm</ref></blockquote>

Green is also a term used to refer to environmentally friendly -- and typically inefficient -- products.  So ''green'' energy could be [[hydroelectric]] for instance, instead of [[fossil fuels]].

Green is also a term used to refer to environmentally friendly products and services, such as [[hydroelectric]] energy from dams, or paper towels made from recycled paper products. Green sources of power are seen as a method of securing energy independence for the United States, and as a way of protecting the environment from the negative impacts of burning fossil fuels.  

The color green corresponds to [[wavelength|wavelengths]] of 520 nanometers to 565 nanometers in the [[electromagnetic spectrum]].<ref>http://hyperphysics.phy-astr.gsu.edu/hbase/vision/specol.html#c1</ref>

The color green corresponds to [[wavelength|wavelengths]] of 520 nanometers to 565 nanometers in the [[electromagnetic spectrum]].<ref>http://hyperphysics.phy-astr.gsu.edu/hbase/vision/specol.html#c1</ref>