Climate change made 2022 drought 'at least 20 times likelier'

In the United States, drought has hit Lake Mead, which provides hydropower to several parts of Arizona, California and Nevada

Producers in Europe and China have warned of significantly lower than expected harvests in crop staples due to the dry spell

Human-caused climate change made this summer's drought across the Northern Hemisphere at least 20 times more likely, according to a rapid analysis released Wednesday that warns such extreme dry periods will become increasingly common with global heating. 

For the top one metre of soil -- known as the root zone -- this summer's dryness was made at least 20 times likelier due to global heating.