India’s terrifying water crisis
Meera Subramanian writes: India’s water crisis offers a striking reminder of how climate change is rapidly morphing into a climate emergency. Piped water has run dry in Chennai, the capital of the southern state of Tamil Nadu, and 21 other Indian cities are also facing the specter of “Day Zero,” when municipal water sources are unable to meet demand. Chennai, a city of eight million on the Bay of Bengal, depends on the fall monsoon to provide half of the…