Ensia: "The best thing you could do for the Amazon is to blow up all the roads.' These might sound like the words of an eco-terrorist, but it's actually a direct quote from Eneas Salati, a forest climatologist and one of Brazil's most respected scientists.
Around nine-tenths of new roads will be built in developing nations, which sustain the most biologically important ecosystems on Earth.
Many scientists share Salati's anxieties because we're living in the most explosive era of road expansion in...