German manufacturers need to clarify any use of the ambiguous term “climate neutral” when advertising their products, a German court ruled on Thursday. The case centres on an advert by liquorice and fruit gum manufacturer Katjes that used the disputed term to advertise in a trade journal. The manufacturing process itself is not emission-free, but the company supports climate protection projects via an environmental consultant to compensate for this. The Frankfurt office for the prevention of unfair competition had filed a lawsuit because it regarded the advert to be misleading. Key information…