1.0RecycleNationhttps://recyclenation.comFrom Tallest to Most Efficient - RecycleNationrich600338<blockquote class="wp-embedded-content" data-secret="kiLZcODuob"><a href="https://recyclenation.com/2009/06/tallest-most-efficient/">From Tallest to Most Efficient</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://recyclenation.com/2009/06/tallest-most-efficient/embed/#?secret=kiLZcODuob" width="600" height="338" title="“From Tallest to Most Efficient” — RecycleNation" data-secret="kiLZcODuob" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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The owners of the Sears Tower have announced plans to upgrade the building for sustainability, which will make it the tallest building in the western hemisphere to undergo such an overhaul to date.