A surprising study of temperature-related deaths in Mexico upends conventional thinking about what age group is hit hardest by heat.

A new report from doctors and other health experts says the world's fossil fuel addiction is making the world sicker and is killing people.

Get ready for a sizzling future.

Rich Americans produce nearly 25% more heat-trapping gases than poorer people at home, according to a comprehensive study of U.S. residential carbon footprints. California by far is the greenest state with 2,715 pounds of greenhouse gas per person. The studys 25 cleanest zip codes for residential greenhouse gas emissions are all in California and New York. Because some zip codes didnt have adequate data, Goldstein said there may be additional zip codes at the extremes of the emissions spectrum. Also, he said some zip codes with smaller, expensive, energy-efficient apartments buck the national trend of greater emissions in wealthy areas.

Children are growing up in a warmer world that will hit them with more and different health problems than their parents experienced, an international report by doctors said. I cannot think of a greater health emergency, Salas said. Climate change is a risk amplifier, Parker said in an email. With climate change health problems, she said, the remedy is stopping emissions of heat-trapping gases from the burning of coal, oil and gas. We cant doctor our way out of this, said Dr. Georges Benjamin, executive director of the American Public Health Association, who wasnt part of the study but praised it.