Mr Howells was speaking at the Midem fair, which attracts more than 10, 000 executives from 96 countries.
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2.
He was honoured with the Green World Award at the Midem music conference for the festival's history of environmental fundraising and ecological initiatives.
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3.
MIDEM, part of Reed Elsevier, those attending must pay for four nights in a hotel, though the real business gets done in two days.