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The internet s big carbon footprint need not doom the climate For many, people life moved online in 2020. From preschool to dissertation defenses, first dates to weddings, video calls brought us together. To entertain ourselves, we streamed concerts and movies, played video games, and scrolled social media. Demand for internet services was already rising before the COVID-19 pandemic, and growth will continue once people are able to gather safely in person again. That’s raising concerns about the electricity needed to power servers, networks, and devices – and the resulting consequences for the climate. Eric Masanet, a professor in sustainability science for emerging technologies at UC Santa Barbara, says the internet sector accounts for 2 to 4% of global energy use. Data centers alone are estimated to account for 1% of global energy demand, more than many countries use.

United statesSanta barbaraEric masanetSamantha harringtonRenee obringerNational socioAmazon web servicesEnvironmental synthesis centerInternational energy agencySynergy research groupYale climate connectionsDeshawn millsNational socio environmental synthesis centerGlobal warmingClimate changeCo2 emissions