【明報專訊】家庭電器如電視、電腦和影音器材等，都有「備用」或「待機」狀態，standby mode。待機狀態的電器，其實仍在耗電；這耗用的電力叫standby power。經常讓多件電器留在待機狀態，會浪費大量standby power，增加碳排放，破壞環境。有環保組織提醒人們：Household electronics can use up to 80 percent as much electricity on standby power as they do when they are turned on.