Changes

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

The color green corresponds to 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>

== References ==

== References ==