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BBC News
By Dougal Shaw
media captionCould this cup help save the planet?
The UK s caffeine addiction sees us drink around 35 billion cups a year, but that comes at a huge environmental cost.
We throw away more than 2.5 billion disposable coffee cups annually, and around half a million tonnes of ground coffee waste goes to landfill.
The coffee industry also contributes to the UK s carbon emissions, which the government has pledged will be neutral by 2050. Some coffee companies think they have the solutions to help tackle these problems.
You drink your coffee from this cup like a Viking drinking mead from his horn.