This sounds similar to claims that cancer rates are increasing. Which is to say that it may be true but it’s a symptom of improvements. Cancer rates are increa

This sounds similar to claims that cancer rates are increasing. Which is to say that it may be true but it’s a symptom of improvements. Cancer rates are increasing because people are living longer and dying less of other things. Similarly, a huge amount of work has been done to reduce the harms from car exhaust, and modern vehicles burn really cleanly. It’s no surprise that other factors start to become relatively more important.