A massive renewable energy project threatens the treasures that lie beneath, including rare cave animals and a record of ancient life forms, experts warn

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n the Nullarbor plain, the world’s largest hydrogen export hub is being developed, a colossal renewable energy and industrial project comprising up to 3,000 wind turbines and 60m solar modules – which, at 70GW capacity, is larger than the national grid.

Beneath it lies an internationally significant limestone cave system, a fragile home to globally unique creatures, and a time capsule of life since the Pliocene.