Not Just A Storm In A Teacup: How Climate Change Is Quietly Rewriting Britain’s Brew

Climate Crisis Reaches The Tea Plantations

Tea, one of the UK’s most consumed daily drinks, depends heavily on stable weather in East Africa and South Asia. Now, hotter conditions, erratic rainfall, floods and droughts are hitting yields and quality in major tea regions, shrinking the area with optimal growing conditions and stressing already vulnerable farmers.

From Smooth To Harsher: Changing Taste Profiles

Researchers say more intense rain and heat can lower the concentration of key flavour compounds in tea leaves, shifting the taste from smooth and balanced to harsher and more bitter. Even experimental tea growers in the UK are struggling to maintain consistent flavour profiles as local conditions become less predictable.

Supply Chains And Supermarket Shelves Under Strain

Alongside climate pressures at the farm level, British supermarkets have already flagged “supply issues” linked to disrupted shipping routes through the Red Sea and delays to imports from Asia and East Africa. If climate shocks cut harvests and logistics remain volatile, shoppers could face shortages, higher prices and less choice of their usual brands.

Climate Cupboard Check: Tea Risk Highlights

• Climate change raising temperatures and weather extremes in Kenya, India, Sri Lanka and China
• Optimal tea growing areas predicted to shrink sharply by mid century in key export regions
• Flavour compounds diluted, pushing tea towards a more bitter, inconsistent taste profile
• Christian Aid and others warn of future price spikes and unreliable tea supplies in the UK
• Existing warnings of supermarket tea shortages due to disrupted shipping and fragile supply chains

Sources: The Independent, Christian Aid report coverage, Sky News, RTÉ, Thomson Reuters Foundation