The main debate is on the second reading of the Energy Bill, which seeks to reform the electricity market and provide a new framework for low-carbon generation.

BBC: Week ahead

Philips, for instance, is planning to launch a small solar-powered LED reading light for Africa, where an estimated 500m people live without electricity.

ECONOMIST: Lighting: A brilliant new approach | The

If we were reading about running-shoe production, or the relative costs of different sources of electricity, or the merits of different mobile phones, we'd want facts and proof.

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