CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins80% CONFIDENCEOverall confidence: 80%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
The UNFCCC[2] and multiple case studies date Samsø reaching 100% renewable, carbon-neutral energy status to 2007.Ten years after winning a Danish government renewables contest, the island of Samsø matched its annual energy consumption with local wind and biomass production, becoming the first community-driven 100% renewable energy island. It remains a global reference case for island decarbonization.
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