Wildfire smoke causes more air pollution than current atmospheric models can predict. A new study by researchers at King Abdullah University of Science and Technology (KAUST) and the Chinese Academy of Sciences explains why by revealing that, under sunlight, wildfire smoke particles act like tiny chemical factories, producing harmful oxidants such as peroxides, a group of highly reactive pollutants contributing to smog and haze.  

In a major blow to public health, the Superior Court of California has ruled that the State of California may ignore the dangers of processed meat, a product that the World Health Organization has classified as “‘carcinogenic to humans’ (Group 1) on the basis of sufficient evidence for colorectal cancer.”