I find The British Broadcasting Corporation  to be very unbiased and informative.
I've never really paid that much attention to it, what makes you say it is unbiased and informative?
BBC
The British Broadcasting Corporation (BBC) is a British public service broadcaster. Its headquarters are at Broadcasting House in Westminster, London, and it is the world's oldest national broadcasting organisation and the largest broadcaster in the world by number of employees. It employs over 20,950 staff in total, 16,672 of whom are in public sector broadcasting. The total number of staff is 35,402 when part-time, flexible, and fixed-contract staff are included.
The BBC is established under a Royal Charter and operates under
describes the requirements for scholarly or academic reviews and suggests that the dictionary should be regarded as a true object of analysis and examination. The framework introduces three approaches to dictionary reviewing: the linguistic approach, the factual approach, and the lexicographic approach. These approaches may be combined so as to achieve really academic reviews. Finally, the framework also gives some guidelines as to the requirements regarding the informative value of dictionary reviews: they must be reliable, deal with relevant and material aspects, and be unbiased.
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