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<url><loc>https://unmundosustentable.com/ambiente/tortugas-marinas-vs-alga-invasora-el-inesperado-equilibrio-que-protege-los-arrecifes-de-hawai/</loc><news:news><news:publication><news:name>Un mundo Sustentable</news:name><news:language>es</news:language></news:publication><news:publication_date>2026-04-22T22:06:01-06:00</news:publication_date><news:title>Tortugas marinas vs alga invasora: el inesperado equilibrio que protege los arrecifes de Hawái</news:title></news:news></url>
<url><loc>https://unmundosustentable.com/noticias/chimpances-en-guerra-la-violenta-division-que-sorprende-a-la-ciencia/</loc><news:news><news:publication><news:name>Un mundo Sustentable</news:name><news:language>es</news:language></news:publication><news:publication_date>2026-04-21T12:52:14-06:00</news:publication_date><news:title>Chimpancés en guerra: la violenta división que sorprende a la ciencia</news:title></news:news></url>
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