Once destined for the priesthood, Edson Abreu dos Santos now shepherds volunteers to tackle Amazon’s fire crisis.

Hundreds of Indigenous people have been protesting at a Cargill facility in Santarem, Brazil, against a decree signed in August by President Luiz Inácio Lula da Silva.

Brazil is the world’s most biodiverse country, and the title is not closely contested in absolute numbers: between 10% and 15 ...