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This week鈥檚 IPCC report on the state of the world鈥檚 climate looks very much like their earlier reports on the subject. The document cautiously expresses a picture of a future with greater climate extremes.
Activists are frustrated by the lack of action. We look at why the scientific message is often hampered by politics.

Fish could provide micronutrients to the world poor, but as we鈥檒l hear this would need a major shift in commercial fishing practices globally.

Baby bottles from thousands of years ago suggest Neolithic people gave animal milk to their children.

And when did the Sahara develop? New findings in deposits from volcanic islands provides some evidence.

(Image: Greta Thunberg. Credit: AFP/Getty Image)

Presenter: Roland Pease
Producer: Julian Siddle