C\u00e2y mang l\u1ea1i cho ch\u00fang ta b\u00f3ng m\u00e1t, tr\u00e1i c\u00e2y, hoa v\u00e0 nh\u1eefng l\u1ee3i \u00edch ti\u1ec1m t\u00e0ng m\u00e0 \u00edt ng\u01b0\u1eddi ngh\u0129 \u0111\u1ebfn. Nghi\u00ean c\u1ee9u cho th\u1ea5y c\u00e2y c\u00f3 kh\u1ea3 n\u0103ng th\u1ef1c hi\u1ec7n m\u1ecdi vi\u1ec7c, t\u1eeb t\u0103ng gi\u00e1 tr\u1ecb t\u00e0i s\u1ea3n \u0111\u1ebfn gi\u00fap con ng\u01b0\u1eddi c\u1ea3m th\u1ea5y t\u1ed1t h\u01a1n v\u1ec1 m\u1eb7t tinh th\u1ea7n l\u1eabn th\u1ec3 ch\u1ea5t. H\u01a1n n\u1eefa, khi kh\u00ed h\u1eadu \u1ea5m l\u00ean, c\u00e2y c\u0169ng l\u00e0m ch\u1eadm nh\u1eefng thay \u0111\u1ed5i do con ng\u01b0\u1eddi g\u00e2y ra cho h\u00e0nh tinh.<\/p>\n
C\u00e2y gi\u00fap lo\u1ea1i b\u1ecf carbon kh\u1ecfi kh\u00f4ng kh\u00ed v\u00e0 t\u1ea1o ra m\u1ed9t c\u1ed9ng \u0111\u1ed3ng m\u00e1t m\u1ebb, an to\u00e0n h\u01a1n. Dan Lambe, T\u1ed5ng gi\u00e1m \u0111\u1ed1c \u0111i\u1ec1u h\u00e0nh c\u1ee7a Arbor Day Foundation cho bi\u1ebft: \u201cB\u1eb1ng c\u00e1ch tr\u1ed3ng c\u00e2y, m\u1ecdi ng\u01b0\u1eddi s\u1ebd t\u1ea1o ra m\u1ed9t kh\u00f4ng gian tho\u00e1t hi\u1ec3m t\u1ef1 nhi\u00ean cho b\u1ea1n v\u00e0 nh\u1eefng ng\u01b0\u1eddi h\u00e0ng x\u00f3m \u0111ang d\u1eaft ch\u00f3 \u0111i d\u1ea1o ho\u1eb7c \u0111ang c\u1ed1 g\u1eafng t\u00ecm m\u1ed9t n\u01a1i \u0111\u1ec3 \u0111i d\u1ea1o.\u201d Ngo\u00e0i ra, c\u00e2y mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch b\u1ed5 sung, bao g\u1ed3m:<\/p>\n
C\u00e2y l\u00e0m t\u0103ng gi\u00e1 tr\u1ecb cho ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n
\nTheo H\u1ed9i \u0111\u1ed3ng th\u1ea9m \u0111\u1ecbnh c\u00e2y xanh v\u00e0 c\u1ea3nh quan, m\u1ed9t c\u00e2y l\u1edbn, r\u00e2m m\u00e1t c\u00f3 th\u1ec3 t\u0103ng th\u00eam t\u1eeb $1,000 \u0111\u1ebfn $10,000 cho gi\u00e1 tr\u1ecb t\u00e0i s\u1ea3n c\u1ee7a b\u1ea1n, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i c\u00e2y. M\u1ed9t s\u00e2n \u0111\u1ea7y c\u00e2y r\u00e2m m\u00e1t c\u00f3 th\u1ec3 t\u0103ng gi\u00e1 tr\u1ecb ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n t\u1eeb 10% \u0111\u1ebfn 20% v\u00e0 khi\u1ebfn ng\u00f4i nh\u00e0 \u0111\u01b0\u1ee3c b\u00e1n nhanh h\u01a1n, n\u1ebfu \u0111\u00f3 l\u00e0 m\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n. V\u00ec v\u1eady, m\u1eb7c d\u00f9 ti\u1ec1n kh\u00f4ng m\u1ecdc ra t\u1eeb c\u00e2y, nh\u01b0ng c\u00e2y mang l\u1ea1i thu nh\u1eadp cho b\u1ea1n.<\/p>\n
H\u1ea5p th\u1ee5 kh\u00ed nh\u00e0 k\u00ednh
\nKhi c\u00e2y t\u1ef1 t\u1ea1o th\u1ee9c \u0103n th\u00f4ng qua qu\u00e1 tr\u00ecnh quang h\u1ee3p, ch\u00fang h\u1ea5p th\u1ee5 carbon dioxide t\u1eeb kh\u00f4ng kh\u00ed v\u00e0 l\u01b0u tr\u1eef trong g\u1ed7 c\u1ee7a ch\u00fang. Carbon dioxide l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i kh\u00ed g\u00e2y ra bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, v\u00ec v\u1eady tr\u1ed3ng m\u1ed9t v\u00e0i c\u00e2y trong s\u00e2n l\u00e0 m\u1ed9t c\u00e1ch nh\u1ecf \u0111\u1ec3 ch\u1ed1ng l\u1ea1i bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu t\u1ea1i nh\u00e0. Lambe cho bi\u1ebft m\u1ed9t c\u00e2y tr\u01b0\u1edfng th\u00e0nh c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 48 pound carbon dioxide trong m\u1ed9t n\u0103m.<\/p>\n
\u201cTrong th\u1eddi \u0111\u1ea1i s\u1ee3 h\u00e3i kh\u00ed h\u1eadu nh\u01b0 ng\u00e0y nay, m\u1ecdi ng\u01b0\u1eddi t\u1ef1 h\u1ecfi, h\u1ecd c\u00f3 th\u1ec3 l\u00e0m g\u00ec?\u201d Lambe n\u00f3i. \u201cC\u00f3 m\u1ed9t \u0111i\u1ec1u m\u00e0 h\u1ea7u nh\u01b0 ai c\u0169ng l\u00e0m \u0111\u01b0\u1ee3c, \u0111\u00f3 ch\u00ednh l\u00e0 tr\u1ed3ng c\u00e2y.\u201d<\/p>\n
M\u1eb7c d\u00f9 m\u1ed9t c\u00e2y kh\u00f4ng th\u1ec3 c\u1ee9u \u0111\u01b0\u1ee3c h\u00e0nh tinh, nh\u01b0ng n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng b\u00f9 \u0111\u1eafp l\u01b0\u1ee3ng kh\u00ed carbon dioxide th\u1ea3i ra khi l\u00e1i xe 64 d\u1eb7m. M\u1ed7i c\u00e2y \u0111\u1ec1u c\u00f3 \u00edch v\u00e0 l\u1ee3i \u00edch s\u1ebd t\u0103ng l\u00ean. M\u1ed9t m\u1eabu Anh c\u00e2y h\u1ea5p th\u1ee5 s\u00e1u t\u1ea5n carbon dioxide, \u0111\u1ee7 \u0111\u1ec3 b\u00f9 \u0111\u1eafp l\u01b0\u1ee3ng kh\u00ed nh\u00e0 k\u00ednh th\u1ea3i ra khi l\u00e1i xe 16,000 d\u1eb7m.<\/p>\n
Gi\u1ea3m h\u00f3a \u0111\u01a1n ti\u1ec1n \u0111i\u1ec7n
\nC\u01a1 Quan L\u00e2m Nghi\u1ec7p Hoa K\u1ef3 (U.S. Forest Service) cho bi\u1ebft, tr\u1ed3ng c\u00e2y g\u1ea7n nh\u00e0 gi\u00fap gi\u1ea3m 30% nhu c\u1ea7u s\u1eed d\u1ee5ng m\u00e1y \u0111i\u1ec1u h\u00f2a v\u00e0 gi\u1ea3m 20% \u0111\u1ebfn 50% h\u00f3a \u0111\u01a1n ti\u1ec1n s\u01b0\u1edfi \u1ea5m. B\u00f3ng r\u00e2m t\u1eeb c\u00e2y gi\u00fap ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n m\u00e1t h\u01a1n, do \u0111\u00f3 b\u1ea1n kh\u00f4ng ph\u1ea3i b\u1eadt m\u00e1y \u0111i\u1ec1u h\u00f2a nhi\u1ec1u v\u00e0o nh\u1eefng ng\u00e0y h\u00e8 n\u00f3ng n\u1ef1c. C\u00e2y c\u0169ng ch\u1eb7n gi\u00f3 m\u00f9a \u0111\u00f4ng l\u00f9a v\u00e0o nh\u00e0 b\u1ea1n qua c\u1eeda s\u1ed5 v\u00e0 c\u1eeda ra v\u00e0o.<\/p>\n
C\u00e2y c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n s\u1ee9c kh\u1ecfe tinh th\u1ea7n
\nM\u1ed9t nghi\u00ean c\u1ee9u t\u1eeb B\u1ea3o T\u1ed3n Thi\u00ean Nhi\u00ean (The Nature Conservancy) ph\u00e1t hi\u1ec7n ra r\u1eb1ng th\u1eddi gian \u1edf trong thi\u00ean nhi\u00ean xung quanh c\u00e2y c\u1ed1i c\u00f3 m\u1ed1i t\u01b0\u01a1ng quan v\u1edbi vi\u1ec7c gi\u1ea3m lo l\u1eafng v\u00e0 tr\u1ea7m c\u1ea3m. C\u00e1c nghi\u00ean c\u1ee9u\u00a0cho th\u1ea5y c\u01b0 d\u00e2n th\u00e0nh th\u1ecb c\u00f3 m\u1ee9c \u0111\u1ed9 c\u0103ng th\u1eb3ng cao h\u01a1n v\u00e0 tr\u1ea7m c\u1ea3m h\u01a1n nh\u1eefng ng\u01b0\u1eddi s\u1ed1ng \u1edf v\u00f9ng n\u00f4ng th\u00f4n. Gi\u1ea3i ph\u00e1p cho n\u1ed7i bu\u1ed3n th\u00e0nh th\u1ecb? Ch\u1eafc ch\u1eafn l\u00e0 thi\u00ean nhi\u00ean, c\u1ee5 th\u1ec3 l\u00e0 c\u00e2y xanh, r\u1ed3i. Ch\u1ec9 c\u1ea7n nh\u00ecn v\u00e0o c\u00e2y xanh c\u0169ng l\u00e0m gi\u1ea3m huy\u1ebft \u00e1p v\u00e0 c\u0103ng c\u01a1 trong v\u00f2ng 5 ph\u00fat, theo m\u1ed9t nghi\u00ean c\u1ee9u c\u1ee7a Texas A&M.<\/p>\n
Nhi\u1ec1u nghi\u00ean c\u1ee9u kh\u00e1c ph\u00e1t hi\u1ec7n ra r\u1eb1ng d\u00e0nh th\u1eddi gian \u1edf m\u00f4i tr\u01b0\u1eddng t\u1ef1 nhi\u00ean c\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c gi\u1ea3m c\u0103ng th\u1eb3ng v\u00e0 tr\u1ea7m c\u1ea3m. M\u1ed9t nghi\u00ean c\u1ee9u tuy\u1ec7t v\u1eddi ph\u00e1t hi\u1ec7n ra r\u1eb1ng c\u1ee9 th\u00eam 10 c\u00e2y xanh tr\u00ean m\u1ed9t khu ph\u1ed1 s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ee9c t\u0103ng 1% v\u1ec1 s\u1ee9c kh\u1ecfe c\u1ee7a c\u01b0 d\u00e2n. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, c\u00e2y xanh khi\u1ebfn ch\u00fang ta c\u1ea3m th\u1ea5y kh\u1ecfe h\u01a1n.<\/p>\n
L\u00e0m v\u01b0\u1eddn c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c c\u1ea3i thi\u1ec7n s\u1ee9c kh\u1ecfe, gi\u1ea3m c\u0103ng th\u1eb3ng nh\u1eadn th\u1ee9c v\u00e0 t\u0103ng ho\u1ea1t \u0111\u1ed9ng th\u1ec3 ch\u1ea5t. (H\u00ecnh minh h\u1ecda: Priscilla Du Preez\/Unsplash)<\/p>\n
T\u0103ng c\u01b0\u1eddng s\u1ee9c kh\u1ecfe
\nLambe cho bi\u1ebft c\u00e1c khu ph\u1ed1 c\u00f3 m\u1eadt \u0111\u1ed9 c\u00e2y xanh cao b\u00e1o c\u00e1o t\u1ef7 l\u1ec7 tr\u1ebb em m\u1eafc b\u1ec7nh hen suy\u1ec5n th\u1ea5p h\u01a1n 25%. \u201cC\u00e2y xanh l\u1ecdc c\u00e1c h\u1ea1t \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed ra kh\u1ecfi kh\u00f4ng kh\u00ed m\u00e0 con ng\u01b0\u1eddi h\u00edt th\u1edf, do \u0111\u00f3, c\u00e2y cung c\u1ea5p cho ch\u00fang ta kh\u00f4ng kh\u00ed trong l\u00e0nh h\u01a1n.\u201d M\u1ed9t nghi\u00ean c\u1ee9u ph\u00e1t hi\u1ec7n ra r\u1eb1ng c\u00e2y xanh \u0111\u00e3 ng\u0103n ng\u1eeba 850 ca t\u1eed vong\u00a0do hen suy\u1ec5n ch\u1ec9 trong m\u1ed9t n\u0103m.<\/p>\n
C\u00e1c khu v\u1ef1c th\u00e0nh th\u1ecb m\u00e1t m\u1ebb v\u00e0 an to\u00e0n h\u01a1n
\nLambe gi\u1ea3i th\u00edch: \u201cC\u00e2y xanh t\u1ea1o b\u00f3ng m\u00e1t v\u00e0 l\u00e0m m\u00e1t c\u00e1c th\u00e0nh ph\u1ed1 t\u1edbi 10\u00b0F. \u0110i\u1ec1u \u0111\u00f3 ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng t\u1eed vong do nhi\u1ec7t \u0111\u1ed9 cao.\u201d<\/p>\n
M\u1ed9t nghi\u00ean c\u1ee9u c\u1ee7a Baltimore\u00a0ph\u00e1t hi\u1ec7n ra r\u1eb1ng t\u1ed9i ph\u1ea1m gi\u1ea3m \u1edf nh\u1eefng khu ph\u1ed1 c\u00f3 nhi\u1ec1u c\u00e2y xanh h\u01a1n. Ng\u01b0\u1eddi ta k\u1ebft lu\u1eadn r\u1eb1ng t\u1ed9i ph\u1ea1m \u00edt h\u01a1n v\u00ec nh\u1eefng khu ph\u1ed1 gi\u00e0u c\u00f3 h\u01a1n c\u00f3 xu h\u01b0\u1edbng c\u00f3 nhi\u1ec1u c\u00e2y xanh h\u01a1n. Nghi\u00ean c\u1ee9u \u0111\u00e3 ki\u1ec3m so\u00e1t c\u00e2n nh\u1eafc \u0111\u00f3 v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c m\u00f4 h\u00ecnh c\u1ee7a h\u1ecd cho m\u1ed9t lo\u1ea1t c\u00e1c y\u1ebfu t\u1ed1 kinh t\u1ebf x\u00e3 h\u1ed9i. C\u00e2y xanh v\u1eabn \u0111\u01b0\u1ee3c coi l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 ch\u1ed1ng l\u1ea1i t\u1ed9i ph\u1ea1m.<\/p>\n
V\u1eady th\u00ec c\u00e2y xanh l\u00e0m \u0111i\u1ec1u n\u00e0y nh\u01b0 th\u1ebf n\u00e0o? T\u1eeb l\u00e2u, ng\u01b0\u1eddi ta \u0111\u00e3 tin r\u1eb1ng nhi\u1ec7t \u0111\u1ed9 l\u00e0m t\u0103ng t\u00ednh hung h\u0103ng. Theo nhi\u1ec1u th\u1eadp k\u1ef7 nghi\u00ean c\u1ee9u c\u1ee7a B\u1ed9 T\u01b0 Ph\u00e1p Hoa K\u1ef3, t\u1ed9i ph\u1ea1m b\u1ea1o l\u1ef1c c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng x\u1ea3y ra v\u00e0o m\u00f9a h\u00e8. V\u00ec v\u1eady, c\u00e2y xanh s\u1ebd l\u00e0m gi\u1ea3m t\u00ednh kh\u00ed c\u1ee7a c\u00e1c k\u1ebb gian b\u1eb1ng c\u00e1ch h\u1ea1 nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i l\u1eabn b\u00ean trong c\u01a1 th\u1ec3 c\u1ee7a ch\u00fang.<\/p>\n
(theo bhg)<\/p>\n
The post Tr\u1ed3ng c\u00e2y l\u1ee3i l\u1eafm ai \u01a1i!<\/a> appeared first on Saigon Nh\u1ecf<\/a>.<\/p>\n \u00a0<\/p>","protected":false},"excerpt":{"rendered":" C\u00e2y mang l\u1ea1i cho ch\u00fang ta b\u00f3ng m\u00e1t, tr\u00e1i c\u00e2y, hoa v\u00e0 nh\u1eefng l\u1ee3i \u00edch ti\u1ec1m t\u00e0ng m\u00e0 \u00edt ng\u01b0\u1eddi ngh\u0129 \u0111\u1ebfn. Nghi\u00ean c\u1ee9u cho th\u1ea5y c\u00e2y c\u00f3 kh\u1ea3 n\u0103ng th\u1ef1c hi\u1ec7n m\u1ecdi vi\u1ec7c, t\u1eeb t\u0103ng gi\u00e1 tr\u1ecb t\u00e0i s\u1ea3n \u0111\u1ebfn gi\u00fap con ng\u01b0\u1eddi c\u1ea3m th\u1ea5y t\u1ed1t h\u01a1n v\u1ec1 m\u1eb7t tinh th\u1ea7n l\u1eabn th\u1ec3 ch\u1ea5t. …<\/p>","protected":false},"author":0,"featured_media":52708,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[82,43],"tags":[],"class_list":["post-52707","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-society","category-health"],"_links":{"self":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/posts\/52707","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/comments?post=52707"}],"version-history":[{"count":0,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/posts\/52707\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/media\/52708"}],"wp:attachment":[{"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/media?parent=52707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/categories?post=52707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vietvalley.com\/en\/wp-json\/wp\/v2\/tags?post=52707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}