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ä¸çã®CO2æ¿åº¦ã¯4æ3æ¥ã421.21ppmã¨ãªãã人é¡å²ä¸åãã¦420ppmã«çªå ¥ããã <a href="https://eco.blogmura.com/earth/ranking.html?p_cid=10981729" target="_blank" ><img src="https://b.blogmura.com/eco/earth/88_31.gif" width="88" height="31" border="0" alt="ã«ã»ãããã°æ ç°å¢ããã° å°çç°å¢ã¸" /></a>
CO2earthã«ããã¨ã大æ°ä¸ã®CO2æ¿åº¦ã¯ã2021å¹´2æ10æ¥ç¾å¨ã417.79ppmã§ä¸çæé«ãè¶ ãã模æ§ã ã <blockquote class="twitter-tweet"><p lang="en" dir="ltr">ð 417.79 ppm <a href="https://twitter.com/hashtag/CO2?src=hash&ref_src=twsrc%5Etfw">#CO2</a> in the atmosphere February 10, 2021 ð Up from 416.08 ppm a year ago ð Mauna Loa Observatorâ¦</p></blockquote>