There is a heated fight against global warming in the Amazon rainforest, where illegal gold mining and logging is causing massive deforestation.
Using drones that look more like toy planes than advanced surveillance devices, an unassuming inventor from North Carolina has teamed up with conservationists in Peru to monitor and track down those hurting this precious land.
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As part of a new HuffPost series 'Now What', which explores our most pressing problems in today's world, Ryan Duffy meets the man behind the invention to find out just how he's hoping to save our rainforests.