Oliveira, Hernani Fernandes Magalhaes deSilva, Daiana CardosoZangrandi, Priscilla LoraDomingos, Fabricius Maia Chaves Bicalho2022-02-232022-02-232022-02-15https://bdc.icmbio.gov.br/handle/cecav/1352Brazil’s government has changed the designation of caves that warrant top priority for conservation (see go.nature.com/3gy5). Constituting some 13–30% of the country’s 22,000 protected caves, these will now be open to commercial exploitation, which could seriously affect their vulnerable fauna.enConservation biologyGovernmentIndustryArtigo