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Let’s start listing as many environmental feedback loops we can spot until our politicians wake up.

Hot and heavy a deadly air combination say researchers
Soaring temperatures and heavy pollution are a deadly mix for asthmatics and people vulnerable to heart problems, a study of hospital admissions has found.

New research has found that the incidence of heart attacks, strokes and respiratory problems skyrocket on days that are both hot and polluted.

The five-year study, published in the International Journal of Meteorology, is one of the first to examine how this "dangerous" environmental combination affects health.

"We've found a special relationship between heat and pollution and it's not a good one," said Professor Shilu Tong, a public health specialist at Queensland University of Technology.

"With the trend of climate change continuing, and more hot weather on the way, we have a timely warning of how it's affecting us."