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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...
Refugee or migrant? Sometimes the line is blurred
A dozen years before the influx of refugees and migrants to Europe’s shores would force policymakers...
Puerto Rico’s bankruptcy will make hurricane recovery brutal – here’s why
The United States had already seen its share of disasters, from back-to-back hurricanes that devasta...