The effects of El Niño are believed to be contributing to the drought, which may be exacerbated by global warming, as some areas in Yunnan have recorded record high temperatures during the winter since record-keeping began in 1950.
As some areas in Yunnan have recorded record high temperatures during the winter since record. This was what the effects of El Niño are believed to be contributing to the drought. The drought may be exacerbated by global warming. Keeping began in 1950.