July 30, 2009 9:56 am Couple Aims for Zero Carbon Footprint Sometimes you have to spend money to save money. One couple, who invested heavily in an environmentally-friendly home, only spends $10 a month on electricity. But their ultimate goal? A zero carbon footprint. US & World Videos 2:08 Travis Kelce calls Taylor Swift his ‘significant other' as they attend Charity Gala Date Night 1:40 Charlie Puth reacts to Taylor Swift's ‘The Tortured Poets Department' name-drop 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South 0:48 World Central Kitchen to resume operations in Gaza 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie
