For DesiPDX, a food cart on North Mississippi Avenue, it’s just the opposite. Deepac Saxena, the owner, said temperatures inside the truck can be 15 to 20 degrees higher than outside. Without air conditioning to beat the heat and with customers flocking to the coast or the Willamette River instead, closing becomes the better option, he said.

Chicago heat wave, which took place 30 years ago this week, remains the Chicago area's deadliest weather disaster.Heat indices over 100 degrees kept a hold on the city for five straight days that July.

The heat advisory includes parts of Delaware, Pennsylvania, New York, Connecticut and New Jersey, where two people died in flooding.

Thirty years after a heat wave left more than 700 people dead, Northwestern researchers asked residents to rank solutions for the city to improve planning before extreme heat hits.

As various parts of the globe contend with heat waves, ensuring a stable power supply has emerged as a critical issue for some regions. In this context, a report published on Tuesday by the climate think tank Ember has shifted attention to an unexpected area: China's trade-in program for air conditioners.

Emergency cooling centers in Bergen County will open on Tuesday for the upcoming heat wave that is expected to bring humid, hot weather throughout the week. Temperatures may climb into the 90s, with the potential for afternoon showers and thunderstorms, the National Weather Service said.

Multnomah County has announced that it will not be opening up dedicated cooling shelters for the upcoming heat wave but will continue to monitor the forecast.

The long-term impacts of marine heat waves on biodiversity and management strategies required to mitigate further damage were the focus of a review by researchers at The University of Western Australia.