Nh\u1eefng n\u1ed7 l\u1ef1c nh\u1eb1m h\u1ea1n ch\u1ebf s\u1ef1 n\u00f3ng l\u00ean to\u00e0n c\u1ea7u \u1edf m\u1ee9c 1,5 \u00b0C c\u00f3 th\u1ec3 l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam n\u1ea1n \u0111\u00f3i tr\u00ean th\u1ebf gi\u1edbi b\u1eb1ng c\u00e1ch gi\u1ea3m di\u1ec7n t\u00edch \u0111\u1ea5t n\u00f4ng nghi\u1ec7p \u0111\u1ec3 nh\u01b0\u1eddng ch\u1ed7 cho r\u1eebng v\u00e0 c\u00e2y tr\u1ed3ng n\u0103ng l\u01b0\u1ee3ng. Tuy nhi\u00ean, m\u1ed9t kh\u00eda c\u1ea1nh th\u01b0\u1eddng b\u1ecb b\u1ecf qua \u0111\u00e3 l\u00e0m d\u1ecbu b\u1edbt nh\u1eadn \u0111\u1ecbnh n\u00e0y: s\u1ef1 gi\u1ea3m \u00f4 nhi\u1ec5m ozone \u0111i k\u00e8m v\u1edbi c\u00e1c ch\u00ednh s\u00e1ch n\u00e0y. Theo m\u1ed9t ph\u00e2n t\u00edch g\u1ea7n \u0111\u00e2y s\u1eed d\u1ee5ng s\u00e1u m\u00f4 h\u00ecnh kinh t\u1ebf n\u00f4ng nghi\u1ec7p to\u00e0n c\u1ea7u, vi\u1ec7c gi\u1ea3m ozone c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m 15% t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c c\u1ee7a c\u00e1c bi\u1ec7n ph\u00e1p kh\u00ed h\u1eadu \u0111\u1ed1i v\u1edbi n\u1ea1n \u0111\u00f3i v\u00e0o n\u0103m 2050.<\/p>\n
Ozone g\u1ea7n m\u1eb7t \u0111\u1ea5t h\u00ecnh th\u00e0nh khi c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m nh\u01b0 metan, oxit nit\u01a1 v\u00e0 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 d\u1ec5 bay h\u01a1i ph\u1ea3n \u1ee9ng d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi. Nh\u1eefng kh\u00ed n\u00e0y ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c ph\u00e1t th\u1ea3i t\u1eeb c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi, \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u00f4ng nghi\u1ec7p v\u00e0 c\u00f4ng nghi\u1ec7p. \u1ede n\u1ed3ng \u0111\u1ed9 cao, ozone g\u00e2y h\u1ea1i cho c\u00e2y tr\u1ed3ng, l\u00e0m gi\u1ea3m n\u0103ng su\u1ea5t v\u00e0 \u0111e d\u1ecda an ninh l\u01b0\u01a1ng th\u1ef1c. C\u00e1c ch\u00ednh s\u00e1ch ch\u1ed1ng bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, b\u1eb1ng c\u00e1ch h\u1ea1n ch\u1ebf s\u1eed d\u1ee5ng nhi\u00ean li\u1ec7u h\u00f3a th\u1ea1ch v\u00e0 th\u00fac \u0111\u1ea9y n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, c\u0169ng d\u1eabn \u0111\u1ebfn gi\u1ea3m c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m n\u00e0y. \u00cdt ozone h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi v\u1ee5 m\u00f9a b\u1ed9i thu h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf nh\u1eefng khu v\u1ef1c \u00f4 nhi\u1ec5m nghi\u00eam tr\u1ecdng v\u00e0 d\u00e2n c\u01b0 d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng nh\u1ea5t.<\/p>\n
Ch\u00e2u Phi c\u1eadn Sahara v\u00e0 \u1ea4n \u0110\u1ed9, n\u01a1i n\u1ea1n \u0111\u00f3i hi\u1ec7n nay ph\u1ed5 bi\u1ebfn nh\u1ea5t, s\u1ebd \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i nhi\u1ec1u nh\u1ea5t t\u1eeb hi\u1ec7u \u1ee9ng n\u00e0y. Hai khu v\u1ef1c n\u00e0y chi\u1ebfm t\u1edbi 56% s\u1ef1 gi\u1ea3m nguy c\u01a1 suy dinh d\u01b0\u1ee1ng to\u00e0n c\u1ea7u li\u00ean quan \u0111\u1ebfn vi\u1ec7c gi\u1ea3m ozone. N\u1ebfu kh\u00f4ng c\u00f3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed n\u00e0y, chi ph\u00ed cao c\u1ee7a c\u00e1c ch\u00ednh s\u00e1ch kh\u00ed h\u1eadu v\u00e0 s\u1ef1 c\u1ea1nh tranh v\u1ec1 \u0111\u1ea5t n\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 l\u00e0m t\u0103ng s\u1ed1 ng\u01b0\u1eddi b\u1ecb \u0111\u00f3i. Ng\u01b0\u1ee3c l\u1ea1i, s\u1ef1 gi\u1ea3m ozone b\u00f9 \u0111\u1eafp m\u1ed9t ph\u1ea7n nh\u1eefng t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c n\u00e0y b\u1eb1ng c\u00e1ch t\u0103ng n\u0103ng su\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 l\u00faa m\u00ec \u1edf \u1ea4n \u0110\u1ed9 v\u00e0 Trung Qu\u1ed1c.<\/p>\n
C\u00e1c d\u1ef1 b\u00e1o cho th\u1ea5y, n\u1ebfu kh\u00f4ng c\u00f3 h\u00e0nh \u0111\u1ed9ng kh\u00ed h\u1eadu \u0111\u1ea7y tham v\u1ecdng, s\u1ef1 n\u00f3ng l\u00ean v\u00e0 t\u0103ng m\u1ee9c \u0111\u1ed9 ozone s\u1ebd l\u00e0m t\u0103ng g\u1ea7n 10 tri\u1ec7u ng\u01b0\u1eddi ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi n\u1ea1n \u0111\u00f3i v\u00e0o n\u0103m 2050. V\u1edbi c\u00e1c bi\u1ec7n ph\u00e1p nghi\u00eam ng\u1eb7t \u0111\u1ec3 h\u1ea1n ch\u1ebf s\u1ef1 n\u00f3ng l\u00ean \u1edf m\u1ee9c 1,5 \u00b0C, chi ph\u00ed s\u1ea3n xu\u1ea5t l\u01b0\u01a1ng th\u1ef1c s\u1ebd t\u0103ng, nh\u01b0ng vi\u1ec7c gi\u1ea3m ozone s\u1ebd l\u00e0m gi\u1ea3m c\u00fa s\u1ed1c n\u00e0y. N\u00f3 s\u1ebd gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c vi\u1ec7c th\u00eam 8 tri\u1ec7u ng\u01b0\u1eddi r\u01a1i v\u00e0o t\u00ecnh tr\u1ea1ng m\u1ea5t an ninh l\u01b0\u01a1ng th\u1ef1c, t\u1ee9c l\u00e0 b\u00f9 \u0111\u1eafp \u0111\u00e1ng k\u1ec3 nh\u1eefng thi\u1ec7t h\u1ea1i do c\u00e1c ch\u00ednh s\u00e1ch kh\u00ed h\u1eadu g\u00e2y ra.<\/p>\n
Nh\u1eefng k\u1ebft qu\u1ea3 n\u00e0y nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c l\u1ee3i \u00edch gi\u00e1n ti\u1ebfp c\u1ee7a c\u00e1c h\u00e0nh \u0111\u1ed9ng kh\u00ed h\u1eadu, nh\u01b0 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed, v\u00e0o vi\u1ec7c \u0111\u00e1nh gi\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi n\u00f4ng nghi\u1ec7p. Ch\u00fang c\u0169ng nh\u1eafc nh\u1edf r\u1eb1ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ch\u1ed1ng bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi s\u1ef1 c\u00e2n nh\u1eafc \u0111\u1ebfn h\u1eadu qu\u1ea3 c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi s\u1ea3n xu\u1ea5t l\u01b0\u01a1ng th\u1ef1c v\u00e0 ti\u1ebfp c\u1eadn th\u1ef1c ph\u1ea9m. C\u1ea3i thi\u1ec7n n\u0103ng su\u1ea5t n\u00f4ng nghi\u1ec7p, t\u1ed1i \u01b0u h\u00f3a s\u1eed d\u1ee5ng \u0111\u1ea5t v\u00e0 gi\u1ea3m l\u00e3ng ph\u00ed th\u1ef1c ph\u1ea9m v\u1eabn l\u00e0 nh\u1eefng \u0111\u00f2n b\u1ea9y thi\u1ebft y\u1ebfu \u0111\u1ec3 k\u1ebft h\u1ee3p chuy\u1ec3n \u0111\u1ed5i sinh th\u00e1i v\u00e0 an ninh l\u01b0\u01a1ng th\u1ef1c.<\/p>\n
DOI\u00a0:<\/strong> https:\/\/doi.org\/10.1038\/s43016-026-01322-3<\/a><\/p>\n Titre\u00a0:<\/strong> Ozone pollution reduction partially offsets the negative impact of climate change mitigation efforts on global hunger<\/p>\n Revue : <\/strong> Nature Food<\/p>\n \u00c9diteur : <\/strong> Springer Science and Business Media LLC<\/p>\n Auteurs : <\/strong> Shujuan Xia; Tomoko Hasegawa; Thanapat Jansakoo; Daniel Mason-D\u2019Croz; Kazuaki Tsuchiya; Shinichiro Fujimori; Maksym Chepeliev; Marta Kozicka; Abhijeet Mishra; Willem-Jan van Zeist; Xin Zhao; Thijs de Lange; Thais Diniz Oliveira; Jonathan C. Doelman; Matthew Gibson; Petr Havl\u00edk; Mario Herrero; Ipsita Kumar; Yuki Ochi; Timothy B. Sulser; Marina Sundiang; Kiyoshi Takahashi; Jun\u2019ya Takakura; Keith Wiebe<\/p>\n","protected":false},"excerpt":{"rendered":" Vi\u1ec7c gi\u1ea3m \u00f4 nhi\u1ec5m ozone c\u00f3 l\u00e0m gi\u1ea3m nguy c\u01a1 \u0111\u00f3i to\u00e0n c\u1ea7u li\u00ean quan \u0111\u1ebfn c\u00e1c ch\u00ednh s\u00e1ch kh\u00ed h\u1eadu? Nh\u1eefng n\u1ed7 l\u1ef1c nh\u1eb1m h\u1ea1n ch\u1ebf s\u1ef1 n\u00f3ng l\u00ean to\u00e0n c\u1ea7u \u1edf m\u1ee9c 1,5 \u00b0C c\u00f3 th\u1ec3 l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam n\u1ea1n \u0111\u00f3i tr\u00ean th\u1ebf gi\u1edbi b\u1eb1ng c\u00e1ch gi\u1ea3m di\u1ec7n t\u00edch \u0111\u1ea5t n\u00f4ng nghi\u1ec7p… Continue reading Vi\u1ec7c gi\u1ea3m \u00f4 nhi\u1ec5m ozone c\u00f3 l\u00e0m gi\u1ea3m nguy c\u01a1 \u0111\u00f3i to\u00e0n c\u1ea7u li\u00ean quan \u0111\u1ebfn c\u00e1c ch\u00ednh s\u00e1ch kh\u00ed h\u1eadu?<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,3],"tags":[],"class_list":["post-15","post","type-post","status-publish","format-standard","hentry","category-moi-truong","category-quoc-te","entry"],"_links":{"self":[{"href":"https:\/\/theworldofclimatechange.com\/vi\/wp-json\/wp\/v2\/posts\/15","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/theworldofclimatechange.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/theworldofclimatechange.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/theworldofclimatechange.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/theworldofclimatechange.com\/vi\/wp-json\/wp\/v2\/comments?post=15"}],"version-history":[{"count":1,"href":"https:\/\/theworldofclimatechange.com\/vi\/wp-json\/wp\/v2\/posts\/15\/revisions"}],"predecessor-version":[{"id":16,"href":"https:\/\/theworldofclimatechange.com\/vi\/wp-json\/wp\/v2\/posts\/15\/revisions\/16"}],"wp:attachment":[{"href":"https:\/\/theworldofclimatechange.com\/vi\/wp-json\/wp\/v2\/media?parent=15"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/theworldofclimatechange.com\/vi\/wp-json\/wp\/v2\/categories?post=15"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/theworldofclimatechange.com\/vi\/wp-json\/wp\/v2\/tags?post=15"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}