6 Quotes by William Manning

Most people think our breathable air is getting cleaner, and it is in some areas. We have fewer days of extremely bad air, thanks to clean air acts. But steady, day-to-day exposure to pollutants, especially ozone, is becoming more prevalent. On bad days, some plants are getting ozone at concentrations of 60 to 80 parts per billion.

We asked ourselves, 'If we have a lot of ozone in the air on a beautiful summer afternoon, what does that do biologically to humans and plants?'

All around us, we see plants that have endured chronic ozone exposure with no apparent adverse symptoms except premature aging and reduced reproduction, ... Could this relate to the human experience? That's what we need to find out. But, in the meantime, it's important for us to determine how ozone exposure affects our forests, our wetlands, our crops, and even our backyards.

It?s a very precise and accurate tool. It allows us the optimum placement of the new knee.

The ultimate goal is to use plants to detect periods of ozone exposure that may also affect human health.

The hardest part (of the research) is that it's done outside under natural conditions that are changing all the time,