Last year, Guillermo Palmadera, the mayor of a remote area in Peru's Andes, was growing increasingly worried that a harsh dry season could spoil his district's crops of barley, alfalfa and local tubers.
The Andes have an annual dry season between May and September, but farmers in his district of Pamparomas say rains have been particularly sparse in the past couple of years, amid global human-caused climate change that is exacerbating extreme weather patterns.
