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Biofuel breakthroughs bring ‘negative emissions’ a step closer
The use of biofuels helps reduce human greenhouse gas emissions. That’s one reason why some petroleu...
Caught between police and gangs, Rio de Janeiro residents are dying in the line of fire
In Rio de Janeiro, where murder rates this year have soared to their highest levels in a decade, vio...
In censoring a ‘Queer Museum,’ Brazil edges closer to authoritarianism
An art show has become Brazil’s latest political battleground. For those who didn’t get to see the 2...