Can climate change cause groundwater scarcity? An estimate for Bihar

Groundwater is the source of almost 85% of freshwater requirement in rural India and 50% in urban India. Bihar is particularly reliant on groundwater, as it has the lowest supply of piped drinking water among Indian states. We examine the exposure of this resource to stress due to climate change; specifically, we estimate the influence of climate parameters on availability of groundwater in Bihar in about 10 years (2021) and 40 years (2051) from...