Depths of lakes that hold about 90% of US’s freshwater spiking to record levels, from 14in to nearly 3ft above long-term averagesThis summer, as rain relentlessly poured down on the Great Lakes region, Detroit declared a rare state of emergency. The swollen Detroit River had spilled into the low-lying Jefferson...

Las Vegas is the fastest warming city in the United States. The city’s poorest residents are most at risk in the heatThe Clark county death investigator Jill Roberts vividly recalls the sunny 115F (46C) afternoon last summer when she entered a Las Vegas home with no functional air conditioning. The...