Endangered species such humpback whales and rhinoceros often grab the
headlines, but plant life is under threat too. Fruits and vegetables
that humans have been growing for millennia are dying out as we speak.
One study found that out of more than 8,000 crop varieties grown in the
US in 1903, only 600 remained by 1983. What will happen in the event of a global nuclear war, an asteroid strike or even catastrophic climate change? Will there by enough species left to restart a civilization? The
solution – a Noah's ark for seeds.