Oceanic Dead Zones Continue to Spread
Fertilizer runoff and fossil-fuel use lead to massive areas in the ocean with scant or no oxygen, killing large swaths of sea life and causing hundreds of millions of dollars in damage
Ultimately, it may take revolutions in agriculture and transportation, along with the energy of hurricanes to bring life back to dead zones. "If you can't mix a dead zone with the energy of a hurricane," Diaz adds, "I don't see how geoengineering is going to do it."
Click here to see a map of dead zones around the world.