How Skynet Could Help Save the Planet

Machine-to-machine communication offers an opportunity to make the modern world more energy efficient. David Biello reports

Join Our Community of Science Lovers!

Machines sharing information with other machines is more efficient than having one of us humans gumming up the works. But could a smart grid or precision farming, in which the machines inform each other and make subsequent decisions, significantly reduce energy use and, thus, greenhouse gas pollution?

A new report from eclectic billionaire Richard Branson's Carbon War Room says yes. The report claims potential savings of nearly 20 percent of current global emissions, or more than 9 billion metric tons of carbon dioxide per year. The changes could come quickly too, with pollution down 1.5 billion metric tons by the end of the decade.

But what are we really talking about? First off, it's smart meters for home energy use that maximize efficiency. And building-wide systems that ensure the lights or air conditioning turn off when not needed. It's also smart transportation—planes, trains and automobiles that can talk to each other to more efficiently move goods and people. Finally, it's smart agriculture—for example, sensors in the ground that measure moisture or fertility and prevent farmers, or their automated proxies, from over-watering or applying too much fertilizer.


On supporting science journalism

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.


Many barriers exist to ubiquitous machine-to-machine communication, not least of which is a lack of shared standards. But enabling the machine conversation might ease our climate change crisis.

—David Biello

[The above text is a transcript of this podcast.]

It’s Time to Stand Up for Science

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in that two-century history.

I’ve been a Scientific American subscriber since I was 12 years old, and it helped shape the way I look at the world. SciAm always educates and delights me, and inspires a sense of awe for our vast, beautiful universe. I hope it does that for you, too.

If you subscribe to Scientific American, you help ensure that our coverage is centered on meaningful research and discovery; that we have the resources to report on the decisions that threaten labs across the U.S.; and that we support both budding and working scientists at a time when the value of science itself too often goes unrecognized.

In return, you get essential news, captivating podcasts, brilliant infographics, can't-miss newsletters, must-watch videos, challenging games, and the science world's best writing and reporting. You can even gift someone a subscription.

There has never been a more important time for us to stand up and show why science matters. I hope you’ll support us in that mission.

Thank you,

David M. Ewalt, Editor in Chief, Scientific American

Subscribe