Housing & Rights in Rio: On Oct. 7, Rio residents and housing movements rallied outside City Hall demanding the state transfer resources from the Social Housing Fund and build participatory public policy, citing a housing crisis that left homelessness soaring after 2013–2016. Environmental Culture in Rio: In the West Zone, the “Estação 67 Soiree” screened “Further and Further Away,” using film and community art to spotlight Sepetiba Bay’s silting and pollution tied to industrial expansion. Public Health Innovation in Belém: Belém is using mosquito “larvicide buckets” and Wolbachia-linked mosquito production to cut dengue and other mosquito-borne diseases, aiming to reduce reliance on heavy insecticide spraying. Brazil–U.S. Tensions: Lula said he’ll only decide on the new U.S. ambassador-designate after October’s election, as friction grows over alleged electoral interference. Politics at the Ballot: A Quaest poll shows Lula leading Flávio Bolsonaro but the gap is narrowing to a near tie. Media & Safety: Brazil ordered Discord to suspend livestreaming after a teen suicide, while broader scrutiny of online platforms continues. Arts & Memory: A Rio travel piece revisits Valongo Wharf, UNESCO’s World Heritage site tied to the arrival of enslaved Africans. Food & Health: A review links higher ultra-processed food intake with lower key nutrients in children and pregnant/lactating people.