We are in danger of over-regulating familiar, easy-to-measure emissions such as CO2 and NOx while ignoring a wide range of other, potentially harmful substances that can now be measured but are being ignored.
![](https://wcraq.com/wp-content/uploads/2020/09/repair-3353373_1920-1024x683.jpg)
We are in danger of over-regulating familiar, easy-to-measure emissions such as CO2 and NOx while ignoring a wide range of other, potentially harmful substances that can now be measured but are being ignored.