Have the class help organize things in the order that they happen. Write it as a timeline on the board. I like to use a meter stick and be very intentional with my spacing to model time as a scale. I ...

According to the International Union of Geological Sciences (IUGS), the professional organization in charge of defining Earth’s time scale, we are officially in the Holocene (“entirely recent ...

In 1913, before he even earned his doctoral degree, he proposed the first geological time scale, based on the fairly recently discovered phenomenon of radioactivity. Using his quantititive time ...

There is little dispute within the scientific community that humans are changing Earth's climate on a decadal to century time-scale. By the end of this century ... the Department of the Interior's U.S ...