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Google's CO2 Emissions Explode Due to Artificial Intelligence

#climatechange
August 13, 2024

Google's CO2 Emissions Explode Due to Artificial Intelligence

Spectacular rise in emissions

Google's environmental report published on July 2 reveals some worrying figures. The company's CO2 emissions have risen by 13% in a single year and by 48% in five years, reaching 14.3 million tonnes of carbon equivalent in 2023. The report highlights the challenges Google faces in achieving its goal of net zero emissions by 2030, an ambitious target set in 2019.

The main cause of this increase is the increased consumption of electricity by Google's data centers, which are essential for the new generative AI tools. As Google integrates more AI into its products, the demand for energy intensifies, making it increasingly difficult to reduce emissions. AI's complex, resource-intensive calculations require huge amounts of energy, contributing to the company's carbon footprint.

A decarbonization target called into question

Kate Brandt, Google's Director of Sustainability, acknowledged that the company's original decarbonization goal is now perceived as "very ambitious". She points to the uncertainty of AI's future environmental impact, which is complex and difficult to predict. Despite this, Google intends to maintain its commitment to reducing carbon emissions, although the challenges are multiplying.

Google's situation is not unique. Microsoft, another tech giant, has also seen its CO2 emissions rise by almost a third since 2020, mainly due to the construction of new data centers. These increases highlight the difficulties faced by technology companies in reconciling rapid growth with environmental sustainability.

A strategy of growth at all costs

According to Sasha Luccioni, climate manager at artificial intelligence start-up Hugging Face, technology companies had not anticipated the rapid growth of AI when they defined their environmental objectives. They were caught off guard by the amount of energy required to develop and operate this technology. AI, particularly generative AI, requires considerable computing resources, resulting in massive energy consumption.

The International Energy Agency estimates that total electricity consumption by data centers could double from 2022 levels to 1,000 terawatt-hours by 2026. This is equivalent to the electricity demand of a country like Japan. Such an increase in energy demand threatens to disrupt the energy transition of entire countries and the clean energy objectives of technology companies.

Global impacts

Data centers are not evenly distributed across the globe, which can lead to significant energy imbalances. In Saudi Arabia, Ireland and Malaysia, for example, the energy required to keep data centers under construction running at full capacity could exceed the available supply of renewable energy. This poses a major challenge for these countries as they strive to develop sustainable energy infrastructures.

Tech companies like Google and Microsoft must navigate a complex landscape where the rapid growth of AI and environmental sustainability goals often conflict. Governments and businesses must work together to find innovative solutions that will reduce carbon footprints while supporting technological development.

Towards Sustainable Solutions

In response to these challenges, Google and other technology companies are exploring various solutions to reduce their carbon footprint. These include investing in renewable energies, improving the energy efficiency of data centers, and finding innovative technologies to reduce energy consumption.

Google has already taken significant steps to increase the use of renewable energy in its operations. The company has signed several renewable energy purchase agreements and invested in clean energy projects around the world. However, these efforts need to be stepped up to offset the increase in energy consumption due to AI.

Improving the energy efficiency of data centers is also crucial. Google has invested in advanced cooling technologies and energy-efficient infrastructures to reduce the energy consumption of its data centers. In addition, the company is working on more efficient AI algorithms that require less computing power, thus reducing energy demand.

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