"Everyone has seen, this can actually undo everything else that you have in your life." - Daniel Gallas
From the BBC's Global Story Podcast: Is Brazil's flood catastrophe a climate warning?
It shouldn't be framed as a question because it's obvious. Yes. The answer is yes.
President Luiz Inacio Lula da Silva has declared it a "climate catastrophe". Officials are writing off whole neighbourhoods – telling residents these places can never be made safe.