Newscaster Aya Takashima introduces Toshiba's household photovoltaic power system during the unveiling event for the product's new TV advertisement held in Tokyo on June 14. (Mainichi)
Some readers may have heard of the "rabbit limit," a term coined by Swedish environmental researcher Folke Guenther that relates to energy use. We can explain it as follows:
http://mdn.mainichi.jp/perspectives/news/20110615p2a00m0na001000c.html
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