The earth’s missing ‘fingerprint’ sits somewhere in the upper atmosphere, but for some reason eludes climatologists. Shutterstock

Explainer: the search for Earth’s ‘missing fingerprint’

Without understanding why the ‘fingerprint’ has failed to appear our predictions about global warming - as carbon dioxide concentrations increase - are uncertain.
South Africa could see wells like this if the government gives the go-ahead for fracking to take place. shutterstock

Why South Africa needs to pursue the potential of gas from fracking

Fracking presents a better alternative to coal mining. Finding a way to produce the gas economically is the first challenge to getting fracking underway.

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