(Bloomberg) -- As Brazil prepares to welcome tens of thousands of foreign visitors for the United Nations’ COP30 climate summit in Belém, it is ramping up security to combat two of the Amazon region’s most entrenched problems: the sexual exploitation of children and teenagers, and organized crime, which reaches from the urban underworld across rivers and into the rainforest.

Belém, a city of about 1.5 million people, expects more than 50,000 conference attendees — including heads of state, government officials, business leaders, activists and academics — from nearly 200 countries. This influx for the world’s largest climate event will thrust the city into the global spotlight but also create opportunities for criminal activity, according to Rodney da Silva, director at the National Secret

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