Last year, Yahoo CEO Marissa Mayer made the headlines when she announced that her employees would no longer be able to work from home. Some industry pundits speculated as to whether that meant the end of remote jobs. A few months later however, Dell CEO Michael Dell announced his intention to enable half of his 14,000 workforce to work from home. At the time of his announcement, 20 percent of his team were already working from home.

So, while the jury is still out whether Yahoo fares better or not, Dell’s decision merely expanded what already proved to be a good decision: in 2012, thanks to its remote working policy, the company saved $14 million—and 6,735 metric tons of carbon dioxide emissions. It seems that offices will soon be a thing of the past, or at least will need to be re-imagined, as more and more companies are shifting to flexible working policies.