This BBC podcast is supported by ads outside the UK.
Welcome to the inquiry from the BBC World Service with me, Tanya Beckett.
One question, four expert witnesses and an answer.
Are you partial to splashing out on a healthy beverage when you're taking a few minutes away from your work?
If so,
you may have noticed your social media feed packed with videos of influencers consuming cups of a frothy green drink called matcha tea.
Matcha tea comes primarily from Japan,
where the leaves of the Camellia sinensis plant are grown in the shade then steamed,
dried and ground into a fine powder.
The trend to consume it has become so strong that food chains have added matcha drinks to their menus.
But beneath the hype,
tea farmers around the world are facing increased challenges from climate change.
Record-breaking heat waves in Japan,
labour shortages and US tariffs on Japanese imports are threatening higher prices and limited availability for consumers.
This week on The Inquiry we're asking, is trouble brewing for the worldwide tea industry?
Part one, steeped in history.
So the Global Tea Institute for the Study of Tea Culture and Science is unique
because it's the only one in the world.
Our first expert witness is Catherine Burnett, founding director of the Global Tea Institute.
But also considers tea across the disciplines in cultures and social sciences.