S\u1ef1 s\u1ed1ng tr\u00ean tr\u00e1i \u0111\u1ea5t kh\u00f4ng th\u1ec3 duy tr\u00ec m\u00e0 kh\u00f4ng c\u00f3 c\u00e2y xanh. Thu\u1edf ban \u0111\u1ea7u, c\u00e2y xanh c\u00f3 m\u1eb7t tr\u01b0\u1edbc t\u1ea1o ra m\u00f4i tr\u01b0\u1eddng s\u1ed1ng th\u00edch h\u1ee3p r\u1ed3i c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt, trong \u0111\u00f3 c\u00f3 con ng\u01b0\u1eddi m\u1edbi l\u1ea7n l\u01b0\u1ee3t xu\u1ea5t hi\u1ec7n. L\u1ee3i \u00edch c\u1ee7a c\u00e2y xanh \u0111\u1ed1i v\u1edbi con ng\u01b0\u1eddi l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng. C\u00f3 th\u1ec3 n\u00f3i c\u00e2y xanh ch\u00ednh l\u00e0 ngu\u1ed3n c\u1ed9i c\u1ee7a s\u1ef1 s\u1ed1ng, mang l\u1ea1i cho ch\u00fang ta bi\u1ebft bao nhi\u00eau l\u1ee3i \u00edch.<\/p>\n
C\u00e2y xanh c\u00f3 vai tr\u00f2 ch\u1ed1ng hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh c\u1ef1c k\u00ec hi\u1ec7u qu\u1ea3. Hi\u1ec7n t\u01b0\u1ee3ng n\u00f3ng l\u00ean to\u00e0n c\u1ea7u l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a kh\u00ed nh\u00e0 k\u00ednh qu\u00e1 m\u1ee9c t\u1ea1o ra do ti\u00eau th\u1ee5 l\u01b0\u1ee3ng nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch gia t\u0103ng v\u00e0 do ph\u00e1 h\u1ee7y r\u1eebng nhi\u1ec7t \u0111\u1edbi. Vi\u1ec7c ph\u00e1 h\u1ee7y c\u00e1c khu r\u1eebng r\u1eadm kh\u00f4ng nh\u1eefng l\u00e0m m\u1ea5t \u0111i c\u00e2y xanh m\u00e0 c\u00f2n t\u1ea1o n\u00ean nhi\u1ec1u kho\u1ea3ng tr\u00f3ng kh\u00f4ng \u0111\u01b0\u1ee3c che ph\u1ee7 tr\u00ean m\u1eb7t \u0111\u1ea5t, l\u00e0m \u0111\u1ea5t b\u1ecb \u0111\u1ed1t n\u00f3ng, ion h\u00f3a, ph\u1ea3n nhi\u1ec7t l\u1ea1i b\u1ea7u kh\u00f4ng kh\u00ed. Kh\u00f4ng c\u00f2n c\u00e2y xanh, l\u01b0\u1ee3ng \u00f5i th\u1ea3i v\u00e0o kh\u00f4ng kh\u00ed c\u0169ng gi\u1ea3m, l\u01b0\u1ee3ng kh\u00ed cacbonic t\u0103ng cao, c\u00e1t b\u1ee5i bao ph\u1ee7 l\u00e0m t\u0103ng c\u01b0\u1eddng hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh. Trong m\u1ea5y n\u0103m g\u1ea7n \u0111\u00e2y c\u00e2y xanh b\u1ecb ch\u1eb7t h\u1ea1, r\u1eebng b\u1ecb ph\u00e1 ho\u1ea1i nhi\u1ec1u , tr\u00e1i \u0111\u1ea5t li\u00ean t\u1ee5c n\u00f3ng l\u00ean, \u0111e d\u1ecda \u0111\u1eddi s\u1ed1ng c\u1ee7a h\u00e0ng tr\u0103m tri\u1ec7u ng\u01b0\u1eddi tr\u00ean tr\u00e1i \u0111\u1ea5t. Nh\u01b0 v\u1eady ch\u00fang ta m\u1edbi th\u1ea5y r\u00f5 l\u1ee3i \u00edch c\u1ee7a c\u00e2y xanh \u0111\u1ed1i v\u1edbi con ng\u01b0\u1eddi.<\/p>\n
<\/p>\n
C\u00e2y xanh l\u00e0m s\u1ea1ch kh\u00f4ng kh\u00ed, l\u00e0m cho b\u1ea7u kh\u00f4ng kh\u00ed tr\u1edf n\u00ean trong l\u00e0nh h\u01a1n. L\u00e1 c\u00e2y c\u00f3 ch\u1ee9c n\u0103ng h\u1ea5p th\u1ee5 m\u00f9i h\u00f4i trong kh\u00f4ng kh\u00ed do c\u00e1c ion t\u1ef1 do g\u00e2y ra. C\u00e2y xanh c\u00f2n c\u00f3 ch\u1ee9c n\u0103ng c\u1ea3n gi\u00f3, b\u1ee5i, \u0111i\u1ec1u h\u00f2a c\u00e1c lu\u1ed3ng kh\u00ed tr\u00ean tr\u00e1i \u0111\u1ea5t. Kh\u00f4ng nh\u1eefng th\u1ebf, c\u00e2y xanh c\u00f2n l\u00e0m gi\u1ea3m ti\u1ebfng \u1ed3n, ph\u00e2n t\u00e1n ngu\u1ed3n nhi\u1ec7t, t\u1ea1 n\u00ean c\u00e1c v\u00f9ng m\u00e1t m\u1ebb d\u01b0\u1edbi b\u00f3ng che cho c\u00e1c lo\u00e0i sinh v\u1eadt.<\/p>\n
C\u00e2y xanh cung c\u1ea5p oxy d\u1ed3i d\u00e0o cho b\u1ea7u kh\u00ed quy\u1ec3n duy tr\u00ec s\u1ef1 s\u1ed1ng tr\u00ean tr\u00e1i \u0111\u1ea5t. Theo nghi\u00ean c\u1ee9u c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc cho th\u1ea5y: trong m\u1ed9t n\u0103m m\u1ed9t c\u00e2y tr\u01b0\u1edfng th\u00e0nh c\u00f3 th\u1ec3 cung c\u1ea5p \u0111\u1ee7 oxy cho 18 ng\u01b0\u1eddi. N\u1ebfu kh\u00f4ng c\u00f3 c\u00e2y xanh th\u00ec s\u1ef1 s\u1ed1ng tr\u00ean tr\u00e1i \u0111\u1ea5t kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i. Th\u1ef1c v\u1eady, oxi ch\u00ednh l\u00e0 ngu\u1ed3n d\u01b0\u1ee1ng kh\u00ed duy tr\u00ec s\u1ef1 s\u1ed1ng c\u1ee7a m\u1ecdi sinh v\u1eadt tr\u00ean m\u1eb7t \u0111\u1ea5t. Thi\u1ebfu oxi, s\u1ef1 s\u1ed1ng kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i. Ng\u00e0y nay, l\u01b0\u1ee3ng oxi tr\u00ean tr\u00e1i \u0111\u1ea5t c\u00f3 chi\u1ec1u h\u01b0\u1edbng suy gi\u1ea3m tr\u1ea7m tr\u1ecdng, b\u1ea7u kh\u00f4ng kh\u00ed tr\u1edf n\u00ean ng\u1ed9t ng\u1ea1t, n\u00f3ng b\u1ee9c. C\u00e1c lo\u00e0i sinh v\u1eadt c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed5i \u0111\u1ec3 thichsn nghi, song qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra r\u1ea5t ch\u1eadm. R\u1ea5t nhi\u1ec1u lo\u00e0i sinh v\u1eadt \u0111\u00e3 bi\u1ebfn m\u1ea5t do l\u01b0\u1ee3ng kh\u00ed oxi suy gi\u1ea3m.<\/p>\n
C\u00e2y xanh t\u1ea1o b\u00f3ng m\u00e1t cho c\u00e1c \u0111\u01b0\u1eddng ph\u1ed1, th\u00e0nh ph\u1ed1 v\u00e0 c\u00f4ng vi\u00ean. N\u1ebfu kh\u00f4ng c\u00f3 c\u00e2y xanh che ch\u1edf, b\u1ea3o v\u1ec7, c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng s\u1ebd mau ch\u1ed1ng xu\u1ed1ng c\u1ea5p do li\u00ean t\u1ee5c b\u1ecb m\u1eb7t tr\u1eddi chi\u1ebfu n\u00f3ng. C\u00e2y xanh t\u1ea1o n\u00ean kh\u00f4ng gian m\u00e1t m\u1ebb cho h\u1ea7u kh\u1eafp c\u00e1c con \u0111\u01b0\u1eddng, c\u00f4ng vi\u00ean, tr\u01b0\u1eddng h\u1ecdc, c\u00f4ng s\u1edf,\u2026 Th\u1eadt kh\u00f4ng th\u1ec3 t\u01b0\u1edfng t\u01b0\u1ee3ng m\u00f4i tr\u01b0\u1eddng s\u1ed1ng v\u00e0 l\u00e0m vi\u1ec7c c\u1ee7a ch\u00fang ta s\u1ebd nh\u01b0 th\u1ebf n\u00e0o n\u1ebfu kh\u00f4ng c\u00f3 c\u00e2y xanh.<\/p>\n
<\/p>\n
C\u00e2y xanh b\u1ea3o t\u1ed3n n\u0103ng l\u01b0\u1ee3ng, g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 c\u00e1c ngu\u1ed3n t\u00e0i nguy\u00ean tr\u00ean tr\u00e1i \u0111\u1ea5t. N\u1ebfu ch\u00fang ta tr\u1ed3ng c\u00e2y xanh xung quanh m\u1ed9t ng\u00f4i nh\u00e0 \u1edf m\u1ed9t gia \u0111\u00ecnh th\u00ec m\u00f9a h\u00e8 c\u00f3 th\u1ec3 c\u1eaft gi\u1ea3m chi ph\u00ed l\u1eafp m\u00e1y \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, ch\u00fang ta s\u1ebd ti\u1ebft ki\u1ec7m s\u1ef1 d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng l\u00ean \u0111\u1ebfn 50 %, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan trong khi ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng tr\u00ean qu\u1ea3 \u0111\u1ea5t \u0111ang d\u1ea7n c\u1ea1n ki\u1ec7t do con ng\u01b0\u1eddi. C\u00e2y xanh c\u00f2n l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed carbon dioxide v\u00e0 kh\u00ed th\u1ea3i \u00f4 nhi\u1ec5m kh\u00e1c t\u1eeb c\u00e1c nh\u00e0 m\u00e1y, l\u00e0m cho kh\u00f4ng kh\u00ed trong l\u00e0nh h\u01a1n.<\/p>\n
C\u00e2y xanh gi\u00fap ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m ngu\u1ed3n n\u01b0\u1edbc. C\u00e2y l\u00e0m gi\u1ea3m d\u00f2ng ch\u1ea3y b\u1eb1ng c\u00e1ch ph\u00e1 v\u1ee1 l\u01b0\u1ee3ng m\u01b0a tr\u1ef1c ti\u1ebfp xu\u1ed1ng \u0111\u1ea5t do \u0111\u00f3 cho ph\u00e9p n\u01b0\u1edbc ch\u1ea3y xu\u1ed1ng t\u00e1n l\u00e1 v\u00e0 th\u00e2n c\u00e2y tr\u01b0\u1edbc khi xu\u1ed1ng m\u1eb7t \u0111\u1ea5t. \u0110i\u1ec1u n\u00e0y c\u00f2n c\u00f3 t\u00e1c d\u1ee5ng ng\u0103n c\u1ea3n c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m t\u1eeb n\u01b0\u1edbc m\u01b0a, l\u00fac n\u00e0y c\u00e2y c\u00f3 nhi\u1ec7m v\u1ee5 nh\u01b0 m\u1ed9t mi\u1ebfng b\u1ecdt bi\u1ec3n \u0111\u1ec3 l\u1ecdc n\u01b0\u1edbc m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean v\u00e0 t\u00e1i t\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc ng\u1ea7m s\u1ea1ch. Kh\u00f4ng nh\u1eefng th\u1ebf, c\u00e2y xanh c\u00f2n g\u00f3p ph\u1ea7n ti\u1ebft ki\u1ec7m ngu\u1ed3n n\u01b0\u1edbc nh\u1edd b\u00f3ng che gi\u00fap n\u01b0\u1edbc tr\u00ean b\u1ec1 m\u1eb7t kh\u00f4ng b\u1ecb b\u1ed1c h\u01a1i, ti\u1ebfp t\u1ee5c duy tr\u00ec cung c\u1ea5p cho r\u1ec5 c\u00e2y v\u00e0 l\u00e0m \u1ea9m \u0111\u1ea5t \u0111ai.\u00a0C\u00e2y xanh gi\u00fap ch\u1ed1ng x\u00f3i m\u00f2n, r\u1eeda tr\u00f4i \u0111\u1ea5t. Tr\u00ean c\u00e1c s\u01b0\u1eddn \u0111\u1ed3i ho\u1eb7c s\u01b0\u1eddn d\u00f2ng , c\u00e2y c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m d\u00f2ng ch\u1ea3y ch\u1eadm v\u00e0 gi\u1eef \u0111\u1ea5t t\u1ea1i ch\u1ed7. Kh\u00f4ng b\u1ecb x\u00f3i m\u00f2n v\u00e0 ph\u00e1 v\u1edf g\u00e2y s\u1ea1t l\u1edf. Khu v\u1ef1c n\u00e0o kh\u00f4ng c\u00f3 c\u00e2y xanh che ph\u1ee7 th\u01b0\u1eddng b\u1ecb b\u1ea1c m\u00e0u, r\u1eeda tr\u00f4i, x\u00f3i m\u00f2n nghi\u00eam tr\u1ecdng.<\/p>\n
L\u1ee3i \u00edch c\u1ee7a c\u00e2y xanh \u0111\u1ed1i v\u1edbi con ng\u01b0\u1eddi kh\u00f4ng ch\u1ec9 v\u1ec1 m\u1eb7t m\u00f4i tr\u01b0\u1eddng m\u00e0 c\u00e2y xanh c\u00f2n cung c\u1ea5p th\u1ef1c ph\u1ea9m tr\u1ef1c ti\u1ebfp ho\u1eb7c gi\u00e1n ti\u1ebfp cho con ng\u01b0\u1eddi v\u00e0 c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt. C\u00e2y \u0103n tr\u00e1i cung c\u1ea5p m\u1ed9t l\u01b0\u1ee3ng l\u1edbn cho con ng\u01b0\u1eddi h\u1eb1ng ng\u00e0y, ngo\u00e0i ra n\u00f3 c\u00f2n l\u00e0 ngu\u1ed3n th\u1ee9c \u0103n cho c\u00e1c lo\u1ea1i \u0111\u1ed9ng v\u1eadt hoang d\u00e3. C\u00f3 th\u1ec3 n\u00f3i s\u1ef1 s\u1ed1ng b\u1eaft \u0111\u1ea7u v\u00e0 \u0111\u01b0\u1ee3c duy tr\u00ec nh\u1edd c\u00e2y xanh. C\u00e1c \u0111\u1ed9ng v\u1eadt \u0103n l\u00e1 c\u00e2y \u0111\u1ec3 s\u1ed1ng, \u0111\u1ed3ng th\u1eddi ch\u00fang l\u00e0 ngu\u1ed3n th\u1ee9c \u0103n cho c\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt \u0103n th\u1ecbt. C\u00e2y xanh n\u1eb1m \u1edf m\u1eafc x\u00edch quan tr\u1ecdng nh\u1ea5t trong chu\u1ed7i th\u1ee9c \u0103n.<\/p>\n
C\u00e2y xanh c\u00f2n l\u00e0 ngu\u1ed3n d\u01b0\u1ee3c li\u1ec7u qu\u00fd gi\u00e1 d\u00f9ng \u0111\u1ec3 ch\u1eef b\u1ec7nh ho\u1eb7c t\u0103ng c\u01b0\u1eddng s\u1ee9c kh\u1ecfe. Con ng\u01b0\u1eddi \u0111\u00e3 ph\u00e1t hi\u1ec7n ra nhi\u1ec1u lo\u00e0i c\u00e2y c\u00f3 d\u01b0\u1ee3c t\u00ednh ch\u1eefa b\u1ec7nh nh\u01b0: nh\u00e2n s\u00e2m, tam th\u1ea5t, n\u1ea5m linh chi\u2026 D\u01b0\u1ee3c li\u1ec7u t\u1eeb th\u1ef1c v\u1eadt lu\u00f4n an to\u00e0n v\u00e0 t\u1ed1t cho s\u1ee9c kh\u1ecfe, kh\u00f4ng nh\u1eefng ch\u1eefa \u0111\u01b0\u1ee3c b\u1ec7nh m\u00e0 c\u00f2n b\u1ed3i d\u01b0\u1ee1ng c\u01a1 th\u1ec3 r\u1ea5t t\u1ed1t. Khi x\u00e3 h\u1ed9i c\u00e0n ph\u00e1t tri\u1ec3n, con ng\u01b0\u1eddi c\u00e0ng nh\u1eadn r\u00f5 t\u00e1c d\u1ee5ng ch\u1eefa b\u1ec7nh qu\u00fd gi\u00e1 t\u1eeb c\u00e2y c\u1ed1i.<\/p>\n
C\u00e2y xanh l\u00e0m m\u00f4i tr\u01b0\u1eddng s\u1ed1ng tr\u1edf n\u00ean hi\u1ec1n h\u00f2a, th\u00e2n thi\u1ec7n, trong l\u00e0nh. Trong ng\u00f4i nh\u00e0, ngo\u00e0i s\u00e2n v\u01b0\u1eddn c\u00f3 b\u00f3ng c\u00e2y bao ph\u1ee7 s\u1ebd l\u00e0m tinh th\u1ea7n ta b\u00ecnh y\u00ean, s\u1ee9c kh\u1ecfe t\u1ed1t h\u01a1n v\u00e0 y\u00eau cu\u1ed9c s\u1ed1ng n\u00e0y h\u01a1n. T\u1eeb l\u00e2u, nh\u1eefng c\u00e2y \u0111\u1ea1i th\u1ee5 \u0111\u00e3 \u0111\u01b0\u1ee3c con ng\u01b0\u1eddi k\u00ednh ng\u01b0\u1ee1ng nh\u01b0 \u1ea9n ch\u1ee9a trong n\u00f3 m\u1ed9t ngu\u1ed3n s\u1ee9c m\u1ea1nh tuy\u1ec7t v\u1eddi, th\u00e1ch th\u1ee9c th\u1eddi gian v\u00e0 t\u1ea1o ni\u1ec1m tin v\u1eefng ch\u1eafc gi\u00fap con ng\u01b0\u1eddi v\u01b0\u1ee3t qua kh\u00f3 kh\u0103n, tr\u1edf ng\u1ea1i \u0111\u1ec3 th\u00e0nh c\u00f4ng.<\/p>\n
L\u1ee3i \u00edch c\u1ee7a c\u00e2y xanh \u0111\u1ed1i v\u1edbi con ng\u01b0\u1eddi\u00a0l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn. Vi\u1ec7c b\u1ea3o v\u1ec7 c\u00e2y xanh l\u00e0 b\u1ea3o v\u1ec7 cu\u1ed9c s\u1ed1ng\u00a0c\u1ee7a\u00a0ch\u00ednh ch\u00fang ta. Th\u1eadt kh\u00f4ng th\u1ec3 t\u01b0\u1edfng t\u01b0\u1ee3ng n\u1ebfu m\u1ed9t ng\u00e0y n\u00e0o \u0111\u00f3 kh\u00f4ng c\u00f2n c\u00e2y xanh n\u1eefa th\u00ec tai h\u1ecda kh\u1ee7ng khi\u1ebfp n\u00e0o s\u1ebd \u0111\u1ebfn v\u1edbi \u0111\u1eddi s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi tr\u00ean kh\u1eafp tr\u00e1i \u0111\u1ea5t n\u00e0y.<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u0110\u1ec1 b\u00e0i: Em h\u00e3y vi\u1ebft b\u00e0i v\u0103n v\u1ec1 ch\u1ee7 \u0111\u1ec1 l\u1ee3i \u00edch c\u1ee7a c\u00e2y xanh \u0111\u1ed1i v\u1edbi con ng\u01b0\u1eddi M\u1edf b\u00e0i: B\u00e0i v\u0103n v\u1ec1 ch\u1ee7 \u0111\u1ec1 l\u1ee3i \u00edch c\u1ee7a c\u00e2y… <\/p>\n","protected":false},"author":9,"featured_media":10535,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[449,463],"tags":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/posts\/10532"}],"collection":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/comments?post=10532"}],"version-history":[{"count":0,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/posts\/10532\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/media\/10535"}],"wp:attachment":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/media?parent=10532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/categories?post=10532"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/tags?post=10532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}