Almost all marine life on the planet depends upon a single ocean circulation pattern in the Southern Hemisphere to pumps nutrient-rich water from the deep and spread it across the seas. What happens when climate change modifies of destroys this ecological cycle? Look for the global ecological system to be battered as fundamental ecosystem patterns and processes rapidly change to another state. Humanity is approaching the limits of the Earth's resiliency - something has to give, soon.

Telegraph | Connected | Food 'conveyor belt' in southern ocean