{"id":16470,"date":"2022-07-12T06:18:24","date_gmt":"2022-07-12T06:18:24","guid":{"rendered":"https:\/\/kiav.net\/?p=16470"},"modified":"2022-07-14T03:48:28","modified_gmt":"2022-07-14T03:48:28","slug":"tui-giay-co-that-su-xanh-hon-tui-nhua-hay-khong-vet-carbon-la-gi","status":"publish","type":"post","link":"https:\/\/kiav.net\/news\/tui-giay-co-that-su-xanh-hon-tui-nhua-hay-khong-vet-carbon-la-gi\/","title":{"rendered":"T\u00fai gi\u1ea5y c\u00f3 th\u1eadt s\u1ef1 “xanh” h\u01a1n t\u00fai nh\u1ef1a hay kh\u00f4ng? V\u1ebft Carbon l\u00e0 g\u00ec?"},"content":{"rendered":"
M\u00f4i tr\u01b0\u1eddng lu\u00f4n l\u00e0 v\u1ea5n \u0111\u1ec1 m\u00e0 ch\u00fang ta quan t\u00e2m \u0111\u1ebfn trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y. Ch\u1ee7 \u0111\u1ec1 trong b\u00e0i vi\u1ebft n\u00e0y m\u00ecnh s\u1ebd chia s\u1ebb v\u1ec1 m\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m li\u00ean quan \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng m\u00e0 c\u00f3 th\u1ec3 c\u00e1c b\u1ea1n c\u00f2n ng\u1edd ng\u1ee3, \u0111\u1ed3ng th\u1eddi gi\u1ea3i \u0111\u00e1p c\u00e2u h\u1ecfi: Li\u1ec7u t\u00fai gi\u1ea5y c\u00f3 th\u1eadt s\u1ef1 \u201cxanh\u201d h\u01a1n t\u00fai nh\u1ef1a nh\u01b0 ch\u00fang ta v\u1eabn ngh\u0129 hay kh\u00f4ng?<\/strong><\/p>\n M\u00ecnh xin tr\u1ea3 l\u1eddi lu\u00f4n vi\u1ec7c suy ngh\u0129 t\u00fai gi\u1ea5y hay c\u00e1c v\u1eadt d\u1ee5ng l\u00e0m t\u1eeb gi\u1ea5y nh\u01b0 \u1ed1ng h\u00fat gi\u1ea5y, h\u1ed9p gi\u1ea5y,\u2026 lu\u00f4n \u201cxanh\u201d h\u01a1n so v\u1edbi c\u00e1c ch\u1ea5t li\u1ec7u kh\u00e1c l\u00e0 m\u1ed9t quan ni\u1ec7m sai l\u1ea7m ph\u1ed5 bi\u1ebfn. V\u00ec sao \u01b0?<\/strong><\/p>\n Carbon footprint – v\u1ebft carbon (\u0111\u01a1n v\u1ecb th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0 km, kg ho\u1eb7c t\u1ea5n), \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 t\u1ed5ng l\u01b0\u1ee3ng ph\u00e1t th\u1ea3i kh\u00ed nh\u00e0 k\u00ednh c\u1ee7a m\u1ed9t s\u1ea3n ph\u1ea9m hay d\u1ecbch v\u1ee5,\u2026 t\u00ednh t\u1eeb l\u00fac n\u00f3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t, s\u1eed d\u1ee5ng cho \u0111\u1ebfn cu\u1ed1i v\u00f2ng \u0111\u1eddi c\u1ee7a n\u00f3. C\u00e1c kh\u00ed nh\u00e0 k\u00ednh n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m ch\u1ee7 y\u1ebfu l\u00e0 ch\u1ea5t carbon dioxide (CO2), kh\u00ed metan (CH4),\u2026<\/span><\/p>\n <\/p>\n L\u1ea5y v\u00ed d\u1ee5, khi b\u1ea1n \u0103n th\u1ecbt b\u00f2, quy tr\u00ecnh \u0111\u1ec3 mi\u1ebfng th\u1ecbt \u0111\u00f3 t\u1edbi v\u1edbi b\u1eefa \u0103n c\u1ee7a b\u1ea1n s\u1ebd ph\u1ea3i tr\u1ea3i qua r\u1ea5t nhi\u1ec1u c\u00f4ng \u0111o\u1ea1n v\u00e0 c\u00f3 nhi\u1ec1u b\u01b0\u1edbc trong s\u1ed1 \u0111\u00f3 t\u1ea1o ra ph\u00e1t th\u1ea3i kh\u00ed nh\u00e0 k\u00ednh. Theo t\u00ednh to\u00e1n c\u1ee7a c\u00e1c chuy\u00ean gia, vi\u1ec7c ch\u0103n nu\u00f4i b\u00f2 th\u01b0\u1eddng t\u1ea1o ra nhi\u1ec1u kh\u00ed th\u1ea3i nh\u00e0 k\u00ednh c\u0169ng nh\u01b0 ti\u00eau t\u1ed1n nhi\u1ec1u t\u00e0i nguy\u00ean h\u01a1n so v\u1edbi c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt kh\u00e1c. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao anh em \u0111\u00f4i l\u00fac s\u1ebd b\u1eaft g\u1eb7p nh\u1eefng tuy\u00ean truy\u1ec1n ki\u1ec3u nh\u01b0 ng\u1eebng \u0103n th\u1ecbt b\u00f2 \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/span><\/p>\n <\/p>\n \u0110\u1ec3 \u0111o \u0111\u01b0\u1ee3c v\u1ebft carbon c\u1ee7a m\u1ed9t s\u1ea3n ph\u1ea9m, d\u1ecbch v\u1ee5 th\u01b0\u1eddng r\u1ea5t ph\u1ee9c t\u1ea1p, b\u1edfi v\u00ec b\u1ea3n th\u00e2n ch\u00fang c\u0169ng ph\u1ea3i tr\u1ea3i qua r\u1ea5t nhi\u1ec1u quy tr\u00ecnh trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a m\u00ecnh. Vi\u1ec7c \u0111o chi ti\u1ebft l\u00e0 c\u00f4ng vi\u1ec7c c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc v\u00e0 c\u00e1c chuy\u00ean gia v\u1ec1 m\u00f4i tr\u01b0\u1eddng, tuy nhi\u00ean c\u00f3 th\u1ec3 hi\u1ec3u l\u00e0, ng\u01b0\u1eddi ta s\u1ebd d\u1ef1a v\u00e0o 3 m\u1ee5c ti\u00eau \u0111o ch\u00ednh:<\/span><\/p>\n C\u00f3 kh\u00e1 nhi\u1ec1u c\u00f4ng c\u1ee5 online cho ph\u00e9p anh em t\u1ef1 \u01b0\u1edbc ch\u1eebng v\u1ebft carbon m\u00e0 anh em \u0111ang t\u1ea1o ra theo th\u00f3i quen sinh ho\u1ea1t h\u1eb1ng ng\u00e0y. Anh em n\u00e0o h\u1ee9ng th\u00fa th\u00ec c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam.<\/span><\/p>\n Nh\u01b0 m\u00ecnh c\u00f3 n\u00f3i \u1edf tr\u00ean, vi\u1ec7c lu\u00f4n m\u1eb7c \u0111\u1ecbnh t\u00fai gi\u1ea5y xanh h\u01a1n t\u00fai nh\u1ef1a l\u00e0 m\u1ed9t quan ni\u1ec7m sai l\u1ea7m \u0111\u1ebfn t\u1eeb nh\u1eefng tuy\u00ean truy\u1ec1n c\u1ee7a nhi\u1ec1u t\u1ed5 ch\u1ee9c, \u0111\u01a1n v\u1ecb. Tr\u00ean th\u1ef1c t\u1ebf, s\u1ea3n xu\u1ea5t t\u00fai gi\u1ea5y \u0111\u00f2i h\u1ecfi nhi\u1ec1u ngu\u1ed3n l\u1ef1c h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi t\u00fai nh\u1ef1a. C\u1ee5 th\u1ec3, t\u00fai gi\u1ea5y \u0111\u00f2i h\u1ecfi l\u01b0\u1ee3ng n\u01b0\u1edbc s\u1ea3n xu\u1ea5t nhi\u1ec1u h\u01a1n kho\u1ea3ng 4 l\u1ea7n so v\u1edbi t\u00fai nh\u1ef1a, \u0111\u1ed3ng th\u1eddi c\u0169ng t\u1ea1o ra l\u01b0\u1ee3ng kh\u00ed nh\u00e0 k\u00ednh c\u0169ng nhi\u1ec1u h\u01a1n g\u1ea5p 3,1 l\u1ea7n (do ph\u1ea3i tr\u1ed3ng c\u00e2y r\u1ed3i ch\u1eb7t \u0111i).<\/span><\/p>\n <\/p>\n Ngo\u00e0i ra, c\u00f3 nhi\u1ec1u t\u00fai nh\u1ef1a \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb polyethylene (PE), \u0111\u00e2y l\u00e0 m\u1ed9t ph\u1ee5 ph\u1ea9m t\u1ea1o ra t\u1eeb qu\u00e1 tr\u00ecnh l\u1ecdc kh\u00ed t\u1ef1 nhi\u00ean. T\u1ee9c l\u00e0 con ng\u01b0\u1eddi kh\u00f4ng c\u1ea7n t\u1ea1o ra m\u1ed9t quy tr\u00ecnh ri\u00eang bi\u1ec7t \u0111\u1ec3 s\u1ea3n xu\u1ea5t ch\u1ea5t li\u1ec7u n\u00e0y. PE n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c t\u1eadn d\u1ee5ng c\u0169ng s\u1ebd b\u1ecb \u0111\u1ed1t ch\u00e1y v\u00e0 lo\u1ea1i b\u1ecf m\u00e0 kh\u00f4ng t\u1ea1o ra b\u1ea5t k\u1ef3 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng t\u00edch c\u1ef1c n\u00e0o.<\/span><\/p>\n <\/p>\n M\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng kh\u00e1c khi n\u00f3i v\u1ec1 t\u00ednh b\u1ec1n v\u1eefng \u0111\u00f3 l\u00e0 kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng. V\u1ec1 m\u1eb7t n\u00e0y, d\u1ec5 th\u1ea5y r\u1eb1ng t\u00fai gi\u1ea5y ho\u1eb7c c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb gi\u1ea5y th\u01b0\u1eddng c\u00f3 ph\u1ea7n thua thi\u1ec7t. B\u1edfi ch\u00fang kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc v\u00e0 c\u00f3 th\u1ec3 d\u1ec5 b\u1ecb r\u00e1ch, ph\u00e1 h\u1ecfng. B\u00ean c\u1ea1nh \u0111\u00f3, kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb gi\u1ea5y v\u1ed1n kh\u00f4ng cao, \u0111\u00e2y \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t \u0111i\u1ec3m y\u1ebfu l\u1edbn. \u0110\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00e0y, ng\u01b0\u1eddi ta l\u1ea1i ph\u1ea3i s\u1eed d\u1ee5ng 1 l\u01b0\u1ee3ng gi\u1ea5y nhi\u1ec1u h\u01a1n khi s\u1ea3n xu\u1ea5t. V\u00e0 \u0111i\u1ec1u n\u00e0y l\u1ea1i quay tr\u1edf l\u1ea1i v\u1ea5n \u0111\u1ec1 ph\u00eda tr\u00ean t\u1ea1o ra 1 v\u00f2ng tr\u00f2n l\u1ea9n qu\u1ea9n v\u1edbi lu\u1eadn \u0111i\u1ec3m m\u00ecnh v\u1eeba n\u00eau ph\u00eda tr\u00ean.<\/span><\/p>\n T\u00fai nh\u1ef1a d\u0129 nhi\u00ean kh\u00f4ng g\u1eb7p nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m k\u1ec3 tr\u00ean, m\u00e0 ng\u01b0\u1ee3c l\u1ea1i ch\u00fang c\u00f2n ch\u1ecbu l\u1ef1c t\u1ed1t, ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc v\u00e0 kh\u00f4ng d\u1ec5 b\u1ecb h\u1ecfng trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. Do \u0111\u00f3 ch\u00fang mang t\u00ednh t\u00e1i s\u1eed d\u1ee5ng h\u01a1n h\u1eb3n.<\/span><\/p>\n <\/p>\n Do t\u00fai gi\u1ea5y c\u00f3 th\u1ec3 ph\u00e2n hu\u1ef7 sinh h\u1ecdc n\u00ean \u0111\u00e2y l\u00e0 l\u00fd do ch\u00ednh m\u00e0 ng\u01b0\u1eddi ta cho r\u1eb1ng t\u00fai gi\u1ea5y th\u1ef1c s\u1ef1 \u201cxanh\u201d h\u01a1n so v\u1edbi t\u00fai nh\u1ef1a. Nh\u01b0ng th\u1ef1c t\u1ebf th\u00ec kh\u00f4ng ph\u1ea3i v\u1eady, t\u00fai gi\u1ea5y n\u1eb7ng h\u01a1n t\u00fai nh\u1ef1a trung b\u00ecnh kho\u1ea3ng 8 l\u1ea7n, \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c v\u1eadn chuy\u1ec3n ch\u00fang s\u1ebd kh\u00f3 h\u01a1n \u0111\u00e1ng k\u1ec3. L\u1ea5y v\u00ed d\u1ee5, v\u1eadn chuy\u1ec3n 2 tri\u1ec7u t\u00fai gi\u1ea5y \u0111\u1ebfn 1 c\u01a1 s\u1edf t\u00e1i ch\u1ebf s\u1ebd c\u1ea7n ph\u1ea3i huy \u0111\u1ed9ng s\u1ed1 xe t\u1ea3i g\u1ea5p 7 l\u1ea7n so v\u1edbi 2 tri\u1ec7u t\u00fai nh\u1ef1a. T\u00e1c \u0111\u1ed9ng ph\u00e1t th\u1ea3i c\u1ee7a s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y s\u1ebd tr\u1edf n\u00ean l\u1edbn d\u1ea7n qua th\u1eddi gian d\u00e0i.<\/span><\/p>\n B\u00ean c\u1ea1nh \u0111\u00f3, t\u00fai nh\u1ef1a kh\u00f4ng d\u1ec5 b\u1ecb h\u01b0 h\u1ecfng, do \u0111\u00f3 ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i s\u1ea3n xu\u1ea5t t\u1eeb m\u1ed9t v\u1eadt li\u1ec7u v\u00f4 th\u1eddi h\u1ea1n. Trong khi \u0111\u00f3, tu\u1ed5i th\u1ecd c\u1ee7a gi\u1ea5y r\u1ea5t h\u1ea1n ch\u1ebf v\u00ec c\u1ea5u tr\u00fac d\u1ea1ng s\u1ee3i c\u1ee7a ch\u00fang d\u1ec5 b\u1ecb ph\u00e1 v\u1ee1 khi \u0111\u1ebfn tu\u1ed5i th\u1ecd t\u00e1i ch\u1ebf.<\/span><\/p>\n <\/p>\n Cu\u1ed1i c\u00f9ng, vi\u1ec7c x\u1eed l\u00fd t\u00fai \u0111\u00fang c\u00e1ch c\u0169ng g\u00f3p ph\u1ea7n r\u1ea5t l\u1edbn v\u00e0o s\u1ef1 \u201cxanh\u201d c\u1ee7a ch\u00fang. Vi\u1ec7c v\u1ee9t b\u1ecf t\u00fai gi\u1ea5y m\u1ed9t c\u00e1ch v\u00f4 tr\u00e1ch nhi\u1ec7m c\u0169ng g\u00f3p ph\u1ea7n l\u00e0m nghi\u00eam tr\u1ecdng ph\u00e1t th\u1ea3i kh\u00ed nh\u00e0 k\u00ednh. H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u ngh\u0129 r\u1eb1ng t\u00fai gi\u1ea5y \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u ph\u00e2n hu\u1ef7 sinh h\u1ecdc, n\u00ean vi\u1ec7c v\u1ee9t b\u1ecf ch\u00fang chung v\u1edbi c\u00e1c lo\u1ea1i r\u00e1c th\u1ea3i kh\u00e1c, v\u1ee9t trong b\u00e3i r\u00e1c c\u0169ng kh\u00f4ng qu\u00e1 \u1ea3nh h\u01b0\u1edfng. Tuy nhi\u00ean, \u0111\u00e2y l\u1ea1i l\u00e0 m\u1ed9t quan ni\u1ec7m sai l\u1ea7m, b\u1edfi c\u00e1c v\u1eadt li\u1ec7u ph\u00e2n hu\u1ef7 sinh h\u1ecdc \u0111\u00f2i h\u1ecfi m\u1ed9t m\u00f4i tr\u01b0\u1eddng gi\u00e0u oxy \u0111\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n h\u1ee7y \u0111\u00fang c\u00e1ch. N\u1ebfu kh\u00f4ng c\u00f3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, ch\u00fang s\u1ebd ph\u00e2n hu\u1ef7 th\u00e0nh kh\u00ed metan, m\u1ed9t trong nh\u1eefng kh\u00ed nh\u00e0 k\u00ednh c\u00f3 h\u1ea1i nh\u1ea5t cho b\u1ea7u kh\u00ed quy\u1ec3n c\u1ee7a ch\u00fang ta.<\/span><\/p>\n Theo d\u1eef li\u1ec7u tr\u00ean trang <\/span>CO2 Everything<\/span><\/i><\/a>, m\u1ed9t t\u00fai gi\u1ea5y c\u00f3 v\u1ebft carbon l\u00e0 kho\u1ea3ng 5,52kg, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi ph\u00e1t th\u1ea3i m\u00e0 m\u1ed9t chi\u1ebfc oto t\u1ea1o ra tr\u00ean qu\u00e3ng \u0111\u01b0\u1eddng 28km. Trong khi \u0111\u00f3, t\u00fai nh\u1ef1a c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng nhi\u1ec1u l\u1ea7n s\u1ebd c\u00f3 v\u1ebft carbon l\u00e0 21,51kg, c\u00f2n t\u00fai nh\u1ef1a x\u00e0i 1 l\u1ea7n ch\u1ec9 c\u00f3 v\u1ebft carbon l\u00e0 1,58kg m\u00e0 th\u00f4i.<\/span><\/p>\n Tr\u00ean b\u00e0i ch\u1ec9 l\u00e0 ph\u00e2n t\u00edch theo kh\u00eda c\u1ea1nh c\u1ee7a v\u1ebft carbon, tuy nhi\u00ean \u0111\u1ec3 th\u1ef1c s\u1ef1 \u0111\u00e1nh gi\u00e1 v\u1edbi \u0111\u1ed9 \u201cxanh\u201d c\u1ee7a ch\u1ea5t li\u1ec7u th\u00ec c\u00f2n ph\u1ea3i xem x\u00e9t \u0111\u1ebfn nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c n\u1eefa. Ch\u1eb3ng h\u1ea1n, t\u00fai gi\u1ea5y n\u1ebfu ph\u00e2n hu\u1ef7 \u1edf t\u1ef1 nhi\u00ean s\u1ebd kh\u00f4ng g\u00e2y h\u1ea1i \u0111\u1ebfn \u0111\u1ed9ng v\u1eadt ngo\u00e0i m\u00f4i tr\u01b0\u1eddng v\u00e0 h\u1ec7 sinh th\u00e1i. B\u00ean c\u1ea1nh \u0111\u00f3, \u0111\u1ed9ng v\u1eadt bi\u1ec3n c\u0169ng kh\u00f4ng b\u1ecb \u0103n ph\u1ea3i r\u00e1c th\u1ea3i nh\u1ef1a nh\u01b0 nhi\u1ec1u h\u00ecnh \u1ea3nh m\u00e0 ta v\u1eabn th\u1ea5y n\u1eefa. \u0110i\u1ec1u quan tr\u1ecdng \u1edf \u0111\u00e2y v\u1eabn l\u00e0 ch\u00fang ta n\u00ean t\u1eadn d\u1ee5ng t\u1ed1i \u0111a c\u00e1c s\u1ea3n ph\u1ea9m d\u00f9 \u0111\u00f3 l\u00e0 gi\u1ea5y hay nh\u1ef1a \u0111\u1ec3 v\u00f2ng \u0111\u1eddi s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c n\u00e2ng cao h\u01a1n. H\u01a1n n\u1eefa, c\u00f4ng t\u00e1c thu th\u1eadp r\u00e1c th\u1ea3i v\u00e0 t\u00e1i ch\u1ebf c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m t\u1ed1t h\u01a1n \u0111\u1ec3 nh\u1eefng s\u1ea3n ph\u1ea9m nh\u1ef1a kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng. T\u00f3m l\u1ea1i t\u00fai gi\u1ea5y hay t\u00fai nh\u1ef1a \u0111\u1ec1u c\u00f3 \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang, l\u1ef1a ch\u1ecdn s\u1eed d\u1ee5ng v\u1eabn tu\u1ef3 thu\u1ed9c \u1edf anh em.\u00a0<\/span><\/p>\n <\/p>\n Ngu\u1ed3n:<\/strong><\/p>\n https:\/\/carbonpositiveaustralia.org.au\/paper-bags-vs-plastic-bags\/<\/span><\/a><\/p>\n https:\/\/justenergy.com\/blog\/how-to-calculate-your-carbon-footprint\/<\/span><\/a><\/p>\n https:\/\/en.m.wikipedia.org\/wiki\/Carbon_footprint<\/span><\/a><\/p>\nCarbon footprint – v\u1ebft carbon l\u00e0 g\u00ec?<\/b><\/span><\/h2>\n
V\u1ebft carbon \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/span><\/h2>\n
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V\u1ec1 t\u00fai gi\u1ea5y v\u00e0 t\u00fai nh\u1ef1a<\/b><\/span><\/h1>\n
Kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng<\/span><\/strong><\/h2>\n
Kh\u1ea3 n\u0103ng t\u00e1i ch\u1ebf<\/b><\/span><\/h2>\n
Vi\u1ec7c x\u1eed l\u00fd<\/b><\/span><\/h2>\n
V\u1ebft carbon c\u1ee7a t\u00fai nh\u1ef1a v\u00e0 t\u00fai gi\u1ea5y<\/b><\/span><\/h2>\n