subject: Intel Powers Rooftops with Solar Energy [print this page] Intel's other green efforts include removing materials from their products that have potentially adverse effects on the environment, reducing e-waste by sponsoring computer recycling days and partnering with other retailers on e-waste reduction, investing over $100 million in water conservation programs which save 3 billion gallons of water annually, recycling 88 percent of their solid waste in 2008, re-use of packing supplies which saved more than 110 tons of materials from landfill, and applying Design for the Environment (DfE) principles to solve issues about water management, air quality, energy efficiency, and materials recycling.