By U.S. Department of Agriculture é£è¡æ©ãèªåè»ã®ããã£ããã¼ã«ã®ç¼¶ããã¹ãã¼ããã©ã³ã®ãã¬ã¼ã ãªã©ãçæ´»ã®ä¸ã§å¹ åºã使ããã¦ããéå±ã®ã¢ã«ããã¦ã ã¯ãåæã溶ããã¦ç²¾é¬ããéã«å¤§éã®äºé ¸åçç´ ãçã¿åºãã¾ãã温室å¹æã¬ã¹ã§ãããäºé ¸åçç´ ã®åæ¸ãä¸ççã«å«ã°ããä¸ã大æã¢ã«ãã¡ã¼ã«ã¼2社ã¯äºé ¸åçç´ ã®ä»£ããã«é ¸ç´ ãæ¾åºããç²¾é¬æ¹æ³ã®éçºãé²ãã¦ãã¾ãã Aluminum production could get much better for the environment | Popular Science https://www.popsci.com/aluminum-apple æ°ããªæè¡ã®éçºãé²ãã¦ããã®ã¯ã大æã¢ã«ãã¡ã¼ã«ã¼ã®Alcoaã¨å¤å½ç±é±ç©ä¼æ¥ã®Rio Tintoã®2社ã§ããã¢ã«ãã®ç²¾é¬æ¹æ³ã¯ã19ä¸ç´ã«ã¢ã¡ãªã«ã®ãã£ã¼ã«ãºã»ãã¼ãã£
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