A Sankey diagram showing the Earth's energy budget. In the SVG version, hover over a line to highlight it and show its contribution in a tooltip.<br><p>S M Reddy, S J Chary. <a rel="nofollow" class="external text" href="https://books.google.com/books?id=V_zkSl13egYC&amp;pg=PA380">University Botany II : (Gymnosperms, Plant Anatomy, Genetics, Ecology)</a>. New Age International. Retrieved on <span class="mw-formatted-date" title="2015-12-09">9 December 2015</span>.<br>
P D Sharma. <a rel="nofollow" class="external text" href="https://books.google.com/books?id=zwwkY7ccN_MC&amp;pg=PA14">Environmental Biology</a>. Rastogi Publications. Retrieved on <span class="mw-formatted-date" title="2015-12-09">9 December 2015</span>.<br></p>
P D Sharma. <a rel="nofollow" class="external text" href="https://books.google.com/books?id=R91t_pCwA_0C&amp;pg=PA14">Environmental Biology &amp; Toxicology</a>. Rastogi Publications. Retrieved on <span class="mw-formatted-date" title="2015-12-09">9 December 2015</span>.
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