{"id":227285,"date":"2026-08-26T17:15:02","date_gmt":"2026-08-26T20:15:02","guid":{"rendered":"https:\/\/penoticias.com.br\/blog\/?p=227285"},"modified":"2026-08-25T23:47:48","modified_gmt":"2026-08-26T02:47:48","slug":"mudancas-climaticas-podem-levar-brasil-a-ter-12-dias-de-racionamento-de-agua-por-ano-ate-2050","status":"publish","type":"post","link":"https:\/\/penoticias.com.br\/blog\/mudancas-climaticas-podem-levar-brasil-a-ter-12-dias-de-racionamento-de-agua-por-ano-ate-2050\/","title":{"rendered":"Mudan\u00e7as clim\u00e1ticas podem levar Brasil a ter 12 dias de racionamento de \u00e1gua por ano at\u00e9 2050"},"content":{"rendered":"<p style=\"text-align: center;\"><img fetchpriority=\"high\" decoding=\"async\" class=\"\" src=\"https:\/\/cdn.brasil61.com\/r\/400x250\/XAQTY29JG1kP9P2h75DupZgE.webp?q=70\" alt=\"https:\/\/cdn.brasil61.com\/r\/400x250\/XAQTY29JG1kP9P2h75DupZgE.webp?q=70\" width=\"638\" height=\"399\" \/><\/p>\n<p><span style=\"font-size: 8pt;\"><em>Brasil61<\/em><\/span><\/p>\n<p>O Brasil poder\u00e1 enfrentar, em m\u00e9dia, 12 dias de racionamento de \u00e1gua por ano at\u00e9 2050, cen\u00e1rio que pode ultrapassar 30 dias em regi\u00f5es do Nordeste e do Centro-Oeste. A proje\u00e7\u00e3o faz parte de um estudo do Instituto Trata Brasil que analisa os efeitos das mudan\u00e7as clim\u00e1ticas sobre a disponibilidade e a demanda por \u00e1gua no pa\u00eds.<\/p>\n<p>O levantamento Demanda Futura por \u00c1gua em 2050: Desafios da Efici\u00eancia e das Mudan\u00e7as Clim\u00e1ticas, realizado pelo <span style=\"color: #ff0000;\"><strong><a style=\"color: #ff0000;\" href=\"https:\/\/tratabrasil.org.br\/o-que-e-saneamento\/?gad_source=1&amp;gad_campaignid=19773150199&amp;gbraid=0AAAAApGFAdeK8TWPNCs66DTtLkuE_J8HN&amp;gclid=Cj0KCQjw16_UBhCqARIsAIdOaXyPuL0zasN6T06Zj51UtdHEHFpTVSP9wB9Kw5IiRAnF97AQI6rf0JgaAuDAEALw_wcB\">Instituto Trata Brasil<\/a><\/strong><\/span> em parceria com a consultoria EX Ante, estima uma redu\u00e7\u00e3o de 3,4% na disponibilidade h\u00eddrica at\u00e9 2050. As proje\u00e7\u00f5es ganham relev\u00e2ncia diante de fen\u00f4menos clim\u00e1ticos como o El Ni\u00f1o, que podem intensificar per\u00edodos de calor, estiagens e chuvas extremas.<\/p>\n<p>O estudo estima que, na compara\u00e7\u00e3o com 2023, a temperatura m\u00e1xima poder\u00e1 aumentar aproximadamente 1\u00b0C at\u00e9 2050, enquanto a m\u00ednima dever\u00e1 subir 0,47\u00b0C. O cen\u00e1rio projetado tamb\u00e9m inclui redu\u00e7\u00e3o dos dias de chuva e maior ocorr\u00eancia de eventos extremos, com impactos sobre os sistemas de abastecimento de \u00e1gua e esgotamento sanit\u00e1rio.<\/p>\n<p>O aumento das temperaturas tamb\u00e9m tende a pressionar o consumo. Segundo o levantamento, somente o efeito do calor poder\u00e1 elevar a demanda por \u00e1gua em 12,4%, al\u00e9m do crescimento j\u00e1 esperado em raz\u00e3o de fatores econ\u00f4micos e populacionais.<\/p>\n<p>Isso representaria uma demanda adicional de 2,113 bilh\u00f5es de metros c\u00fabicos de \u00e1gua por ano. Caso o pa\u00eds mantenha os n\u00edveis de perdas registrados em 2023, seria necess\u00e1rio produzir outros 3,515 bilh\u00f5es de metros c\u00fabicos anualmente para atender ao aumento do consumo.<\/p>\n<p>Al\u00e9m da maior demanda, per\u00edodos prolongados de escassez podem aprofundar desigualdades no acesso \u00e0 \u00e1gua, especialmente em \u00e1reas perif\u00e9ricas e rurais com infraestrutura mais limitada. Entre os riscos est\u00e3o dificuldades para atender necessidades b\u00e1sicas de higiene e alimenta\u00e7\u00e3o e maior exposi\u00e7\u00e3o ao consumo de \u00e1gua proveniente de fontes alternativas sem seguran\u00e7a sanit\u00e1ria.<\/p>\n<p>Nesse cen\u00e1rio, a adapta\u00e7\u00e3o dos sistemas de saneamento \u00e0s mudan\u00e7as clim\u00e1ticas envolve medidas como redu\u00e7\u00e3o de perdas na distribui\u00e7\u00e3o, amplia\u00e7\u00e3o da coleta e do tratamento de esgoto, planejamento do abastecimento e expans\u00e3o da infraestrutura para \u00e1reas ainda n\u00e3o atendidas.<\/p>\n<p><strong>Universaliza\u00e7\u00e3o exige avan\u00e7o em regi\u00f5es ainda n\u00e3o atendidas<\/strong><!--more--><\/p>\n<p>A amplia\u00e7\u00e3o da cobertura tamb\u00e9m integra o desafio de preparar o saneamento brasileiro para um cen\u00e1rio de maior press\u00e3o sobre os recursos h\u00eddricos. O Marco Legal do Saneamento estabelece como metas para 2033 o atendimento de 99% da popula\u00e7\u00e3o com \u00e1gua pot\u00e1vel e de 90% com coleta e tratamento de esgoto.<\/p>\n<p>Nos \u00faltimos anos, novos projetos foram contratados para ampliar os servi\u00e7os, mas ainda existem regi\u00f5es que precisam ser incorporadas ao processo de universaliza\u00e7\u00e3o. Para Carlos Lebelein, da LMDM Consultoria, alcan\u00e7ar essas \u00e1reas dever\u00e1 estar entre os desafios do setor nos pr\u00f3ximos anos. \u201cA gente tem projetos j\u00e1 contratados de muita qualidade e que v\u00e3o ajudar uma parcela muito grande da popula\u00e7\u00e3o, mas ainda tem regi\u00f5es que ainda est\u00e3o \u00e0 margem e que precisam, sim, numa segunda leva de projetos, ter maior aten\u00e7\u00e3o. E esse, sem d\u00favida, vai ser o desafio que a gente tem pela frente na pr\u00f3xima d\u00e9cada\u201d, frisou.<\/p>\n<p>Al\u00e9m de expandir a cobertura, a redu\u00e7\u00e3o das perdas de \u00e1gua ganha peso diante das proje\u00e7\u00f5es clim\u00e1ticas. Quanto menor o desperd\u00edcio nos sistemas de distribui\u00e7\u00e3o, menor \u00e9 o volume adicional que precisa ser captado e produzido para atender ao crescimento da demanda.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Brasil61 O Brasil poder\u00e1 enfrentar, em m\u00e9dia, 12 dias de racionamento de \u00e1gua por ano at\u00e9 2050, cen\u00e1rio que pode ultrapassar 30 dias em regi\u00f5es do Nordeste e do Centro-Oeste. A proje\u00e7\u00e3o faz parte de um estudo do Instituto Trata Brasil que analisa os efeitos das mudan\u00e7as clim\u00e1ticas sobre a disponibilidade e a demanda por &#8230; <a title=\"Mudan\u00e7as clim\u00e1ticas podem levar Brasil a ter 12 dias de racionamento de \u00e1gua por ano at\u00e9 2050\" class=\"read-more\" href=\"https:\/\/penoticias.com.br\/blog\/mudancas-climaticas-podem-levar-brasil-a-ter-12-dias-de-racionamento-de-agua-por-ano-ate-2050\/\" aria-label=\"Read more about Mudan\u00e7as clim\u00e1ticas podem levar Brasil a ter 12 dias de racionamento de \u00e1gua por ano at\u00e9 2050\">Ler mais<\/a><\/p>\n<div class='heateorSssClear'><\/div><div  class='heateor_sss_sharing_container heateor_sss_horizontal_sharing' data-heateor-sss-href='https:\/\/penoticias.com.br\/blog\/mudancas-climaticas-podem-levar-brasil-a-ter-12-dias-de-racionamento-de-agua-por-ano-ate-2050\/'><div class='heateor_sss_sharing_title' style=\"font-weight:bold\" ><\/div><div 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