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Pick of the week

Hydroponics and the future of farming

With the world’s population nearing 7.5 billion, it’s clear that farming needs to become more productive. Our pick this week looks at one potential solution – hydroponics, which is where you grow plants intensively without using soil. Like many modern technologies, though, it has both pros and cons. How useful do you think it could be?

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Fast Facts

Each issue of 'Big Picture' comes with a sprinkling of Fast Facts, fascinating snippets of information on the topic covered.

Browse through all of our Fast Facts indexed by topic