Up next on Dateline, Portugal's amazing energy transformation.
As a country with few natural resources to rely on, Portugal has traditionally relied on others for its energy needs.
But now that's changing. The Portuguese government has invested in renewable energies, setting up wind farms, wave machines and the world's biggest solar farm.
These days, Portugal produces a huge amount of renewable energy and the resulting industries are successfully stemming the country's brain drain, particularly amongst Portugal's youth.
Video journalist David Brill travels to Portugal and speaks to the experts, who all say there's no reason why Australia can't follow in Portugal's footsteps."
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