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The internet contributes 1.6 billion annual tons in greenhouse gas emissions. Google and Microsoft's AI search war will make it worse.

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The carbon credit markets have become key to the race to net zero. edg3D/Getty Images
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Ever since the partnership between Microsoft and OpenAI paved the way for a future where AI powers search engine results, an all-out race has ensued between Bing and Google to implement the technology.

Google and Microsoft are looking to improve search engine results with large language models they say will distill "complex" information while responding in a human-like fashion to queries. Microsoft will implement ChatGPT in its existing search engine Bing, while Google announced the launch of an "experimental conversational AI service" named Bard.

Behind the scenes, however, is an already resource-intense operation of maintaining computer systems to help with search engines that could get more resource-heavy. 

The power used to train a single artificial intelligence can emit hundreds of thousands of pounds in carbon emissions while internet use makes up nearly 4% of global greenhouse gas emissions.

The computing power necessary to merge AI with the load of search engine queries could increase the amount of computing power necessary from companies like Google and Microsoft by up to 5 times, experts told Wired. And with the increase in computers, greenhouse gas emissions will rise.

"It requires processing power as well as storage and efficient search," Alan Woodward, professor of cybersecurity at the University of Surrey, told Wired. "Every time we see a step change in online processing, we see significant increases in the power and cooling resources required by large processing centers. I think this could be such a step."

The new search engines will also require more data centers to store data. Martin Bouchard, founder of data center company QScale, told Wired that AI would result in "at least four or five times more computing per search."

In a statement to Insider, Jane Park, a spokesperson for Google, said the company would initially be launching a "lighter" version of Bard that would require less computing power.

"We have also published research detailing the energy costs of state-of-the-art language models, including an earlier and larger, version of LaMDA," Park said in a statement. "Our findings show that combining efficient models, processors, and data centers with clean energy sources can reduce the carbon footprint of a ML system by as much as 1000X."

Environmental issues aren't the only criticisms ChatGPT and Google's AI have received in the past. Google's rollout for Bard garnered criticism from employees who say the product is "rushed and botched" according to a report from CNBC.

Insider senior tech correspondent Adam Rogers wrote about how AI-produced search engine responses could produce answers with misinformation or faulty logic that can be harder to detect by searchers.

"They'll elide the sources they're drawing on, and the biases built into their databases, behind the trappings of acceptable, almost-but-not-quite-human-sounding prose," Rogers wrote. "However wrong they are, they'll sound right."

Open AI and Microsoft did not immediately respond to Insider's request for comment.

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Hannah Getahun was a reporter for Business Insider's West Coast team covering just about everything, including national politics, social justice, pop culture, science, and technology. She graduated from California State University, Long Beach with a bachelor's degree in journalism and a minor in environmental science and policy. Before joining Insider, she interned at CalMatters writing health and environment stories.Story highlights: Beyoncé wore statement shades throughout the Renaissance World Tour and played a part in making them cool againThe photographer who captured people occupying subway tracks for a Black man killed in the 1980s says history came 'full circle' after protesters did the same for Jordan Neely'I would die': People with disabilities say abortion bans could have fatal consequencesOfficer response in Jayland Walker shooting was 'overkill,' use-of-force expert says: 'The police officers involved determined that his life wasn't worthy to be preserved.'She helped raise $2 million for abortion funds by calling out Matt Gaetz: Meet Olivia Julianna, a Gen Z activist who has inspired copycat fundraisersAmerican car culture is changing thanks to younger generations. But Gen Z and Millennials see vehicle ownership much differently.It's not just you: Cybercriminals are also using ChatGPT to make their jobs easierOrca whales were discovered with a toilet paper chemical in their livers and skeletal muscles. It's just the 'tip of the iceberg' for one of the most contaminated marine mammals in the world.