单词	net-zero
释义	net-zero adjective net-ze·​ro ˈnet-ˈzē-(ˌ)rō  -ˈzir-(ˌ)ō : resulting in neither a surplus nor a deficit of something specified when gains and losses are added together net-zero carbon emissions The General Services Administration has sealed an unusual deal to guarantee achievement of net-zero energy consumption in a federal facility … Charles S. Clark especially, of buildings : producing enough energy (as through solar panels or passive heating) to offset any energy consumed By 2020 all new homes built in California will have to be net-zero buildings that produce enough power to offset all their energy needs … K. Kaufmann Another affordable, net-zero house is under construction in North Minneapolis, and a third is in development at the school. John Cary Word History First Known Use 1936, in the meaning defined above
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