Endangered

San Francisco-based biotech startup Pembient is developing what it hopes could be a solution to rhino poaching. It's inexpensive bioengineered rhino horn, which could out-compete the genuine item.

For park rangers patrolling the porous, poacher-friendly borders of Africa's national parks, conserving rhino and elephant populations is certainly a tall order. But equipped with drones, big data and high-tech infrared cameras, one group says it has the capabilities to start stemming the tide.