One tell-tale sign when two ships sit side-by-side and transfer fish, often evidence of laundering of illegal fish.
Pew tells NPR they have already caught two illegal fishing boats using the satellite system.
Satellite patrolling is a still a relatively new idea for environmental groups, but it has huge potential.
With near real-time images, we could watch for rainforest being logged or toxic waste being dumped. And it’s not just environmental groups. Stores want to track the number of cars in their parking lots. Hedge fund mangers want to use satellite imagery to predict the market.
