Okay, so you forgot to take your reusable cup to the cafe. But, how bad is that, really? What if the reusable cup trend is actually a waste of everyone's time and energy?

Jools and Scott answer the question: what's the easiest way to massively reduce the environmental costs of your coffee?

We speak with Tim Ridley of United Baristas to understand what should we actually be measuring in the first place? Marine pollution? Land waste? Carbon footprint?

We also hop on the line with Toby Weedon of Oatly to get the lowdown on cows' milk and just why exactly it generates so much CO2. And no, it's not the farts!

Be warned: this episode may change your coffee drinking habits forever.

You can support the show by supporting our wonderful sponsors!
Discover how much CO2 is produced in each liter of Oatly compared to cow's milk: http://bit.ly/3aidSA3
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Read up on coffee's environmental impact at United Baristas: http://bit.ly/3rv7UTe