Scottish entrepreneurs aim to go global with their hope to replace palm oil using coffee waste.Read more
Business presenter, BBC Good Morning Scotland
Cameron Milby's project uses leftover grounds to grow the vegetables.
Independent coffee chain Boston Tea Party said sales have fallen by £250,000 since it banned single use cups last summer.
But it has called for major national and international brands to follow suit.
Owner Sam Roberts said it had factored the loss in takings into its plans and that too many operators were "putting their profits before the planet".
The boss of Union Hand-roasted Coffee gives his tip for start-ups.
About 250,000 disposable cups have been collected in recycling bins across Leeds since October.
Lerato Mbele-Roberts reports on Kenyan coffee producers trying to raise their profiles.