My understanding is that they still don't violate the law of conservation of energy. (religion.blogs.cnn.com)
We strongly believe that a vital part of conservation efforts is to educate our visitors of the spectacular natural wonders of this region. (cancuntours.net)
Its 29 acres house more than 45 species, and the zoo is active in the areas of conservation, protection, and education. (luxuryretreats.com)