Soil is the key to Earth's history (and future)

The English language is full of phrases—from "bogged down" to "feet of clay" and "dirt cheap"—that reflect how we appreciate the diversity of soil, but value it little.

How to neutralise your greenhouse gas footprint

With time running out for us to make deep reductions in greenhouse emissions, you may well be wondering what you personally can do to minimise your own greenhouse footprint.

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