Energy Star, started in 1992, offers a standard for energy efficiency for products such as computers and kitchen appliances.

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The U.S. General Services Administration (GSA) is adopting changes to its standard lease language to enhance energy and water efficiency in the more than 190 million square feet of office space the federal agency leases across the United States.

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Apple would not comment on exactly why it abandoned the EPEAT environmental standard, which measures a product's recyclability and energy efficiency.

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We see the standard being expanded horizontally to address the specific needs of new markets such as energy efficiency, in-car networking, data-center networking and content delivery.

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