One in 4 American households are at risk of losing power because of the high cost of energy. Over 30% of those disconnections are in summer, when heat gets dangerous.

The UK trails European neighbours on replacing gas boilers with energy-efficient heat pumps.

A collaboration between MIT and Miami-Dade County has students working with city planning officials to understand why people wait patiently for a bus — and why they bail.

Drought in Europe, dwindling Arctic sea ice, a slow start to the Indian monsoon – unusually hot ocean temperatures can disrupt climate patterns around the world, as an ocean scientist explains.

Currents can carry that deep ocean heat hundreds of miles to surface again at distant shores.

A new report lays out steps communities can take to help their residents survive heat waves as the risk of dangerous temperatures rises.

Tackling poverty can protect people from rising heat extremes in Britain and abroad.

The official forecast calls for a strong El Niño by winter, but other models suggest it might dip in and out. An atmospheric scientist explains.

Heatwaves are often the result of these bursts of warm, southerly air.

High temperatures are also a cause of illness and death for migrants.