New Scientist: The blistering afternoon sun beats down on my face. Normally by this time of day in May, dark clouds would be gathering, preparing for an almighty downpour. But there are no clouds in sight.
The lush-green, perfectly manicured tea plants extend as far as my eyes can see. Women wearing woven bamboo hats are dotted around the plantation, plucking leaves and putting them in baskets attached to their backs. The work looks gruelling in this heat.
And there's trouble brewing in the plantations of...