When Amazon bought the naming rights to Seattle’s newly remodeled and formerly named KeyArena, the company decided to use that real estate to advertise its campaign to become a net-zero company by 2040.

Along with that, the venue itself – now called Climate Pledge Arena – also made a pledge: to become a net-zero facility, all while playing home to the National Hockey League’s Seattle Kraken, the Women’s National Basketball Association’s Seattle Storm and hosting concerts in between.

In addition to sourcing renewable energy, much of Climate Pledge Arena’s net-zero aspiration is grounded in carbon offset credits, which are known to be questionable in their efficacy depending on how they’re executed. Global Sport Matters consulted SEI’s carbon market expert, Seattle-based Senior Scientist Derik Broekhoff, about whether carbon offsets could really make the facility net-zero.

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