Carbon dioxide in the earth’s atmosphere is at a level that is unprecedented in human experience. University of Dayton professor Bob Brecha explains how we know that we are responsible for the excess CO2.
Carbon dioxide, or CO2 is an important natural part of our atmosphere. Right now, CO2 levels are increasing rapidly. How much of this is part of a natural cycle or is it due to humans? Scientists know how to answer this question.
The Knox County village of Danville calls itself the gateway to Amish country. It’s here that the county health department has set up a makeshift clinic. It’s attracting dozens of families who come in to be vaccinated against measles.
In a handful of central Ohio counties, public health officials are traveling back roads and setting up these clinics in churches and town halls. They’re trying to contain a measles outbreak among the mostly unvaccinated Amish community.
Walking the path that follows the cliffs along the river near my home, I often think about the people who lived here thousands of years ago.
They must have found this place an oasis of shelter, water, fish, and game in the middle of the harsh virgin forest. I imagine them making camp along the limestone outcroppings, keeping their fires and defenses close to the stone, bathing and playing in backwaters, picking berries, hunting deer.