In India, the top-producing country, heavy rains and pests have cut into cotton crops so much that the nation is importing supplies. A heat wave in China is raising concerns about the upcoming harvest there. In the US, the largest exporter of the commodity, a worsening drought is ravaging farms and is set to drag production to the lowest level in more than a decade. And now Brazil, the second-largest exporter, is battling extreme heat and drought that have already cut yields by nearly 30 per cent.
This confluence of extreme weather events brought on by climate change has sent cotton prices soaring by