{"id":7332,"date":"2025-08-13T08:59:51","date_gmt":"2025-08-13T01:59:51","guid":{"rendered":"https:\/\/www.qitepinmath.org\/en\/?p=7332"},"modified":"2026-01-13T09:56:45","modified_gmt":"2026-01-13T02:56:45","slug":"how-mathematics-helps-protect-the-earth-by-reducing-waste","status":"publish","type":"post","link":"https:\/\/www.qitepinmath.org\/en\/publications\/bulletin\/seametrical-vol-5-no-2\/how-mathematics-helps-protect-the-earth-by-reducing-waste\/","title":{"rendered":"How Mathematics Helps Protect the Earth by Reducing Waste"},"content":{"rendered":"

Author:<\/p>\n

– Rita Suryani (Mathematics Teacher since 2016)<\/p>\n

Waste management remains a critical issue in numerous countries, including Indonesia. In my city, Yogyakarta, a recent landfill closure triggered widespread concern. Many residents dispose of the waste improperly, thus polluting the environment.<\/p>\n

— read more —<\/em><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

How Mathematics Helps Protect the Earth by Reducing Waste<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_expiration-date-status":"","_expiration-date":0,"_expiration-date-type":"","_expiration-date-categories":[],"_expiration-date-options":[]},"categories":[1,18,261],"tags":[],"yoast_head":"\nHow Mathematics Helps Protect the Earth by Reducing Waste - SEAMEO Regional Centre for QITEP in Mathematics<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.qitepinmath.org\/en\/publications\/bulletin\/seametrical-vol-5-no-2\/how-mathematics-helps-protect-the-earth-by-reducing-waste\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Mathematics Helps Protect the Earth by Reducing Waste - 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