Ay yup.
An instrument near the summit of Mauna Loa in Hawaii has recorded a long-awaited climate milestone: the amount of carbon dioxide in the atmosphere there has exceeded 400 parts per million (ppm) for the first time in 55 years of measurementand probably more than 3 million years of Earth history.
We do not inherit the earth from our ancestors, we borrow it from our children. - Native American Proverb