http://news.goo.ne.jp/article/mainichi/life/20090730dde012040017000c.html?fr=rk

http://gigazine.net/index.php?/news/comments/20090731_plastic_bag_decompose/

http://gigazine.net/index.php?/news/comments/20090731_incredible_young_artist/

http://mytown.asahi.com/kyoto/news.php?k_id=27000150907060002

http://www.iwate-np.co.jp/newspack/cgi-bin/newspack_s.cgi?s_lifestyle_l+CN2009073101000960_2

http://headlines.yahoo.co.jp/hl?a=20090731-00000061-mai-soci

http://www.asahi.com/national/update/0731/OSK200907310079.html