Hundreds of scientists, including roughly 70 from Colorado, have signed a letter to President-Elect Donald Trump asking him to "...take immediate and sustained action against human-caused climate change." We ask a CU-Boulder ecologist -- is it a quixotic move? Then sisters Jessica and Robin McIntyre are dealing with the prospect of early-onset Alzheimer's. One sister has inherited the genetic mutation, the other has not. Plus, how Colorado jump started craft brewing in Italy.
![A woman with white shoulder-length hair and a purple shirt holds up a comic book to her chest.](https://www.cpr.org/cdn-cgi/image/width=3840,quality=75,format=auto/https://wp-cpr.s3.amazonaws.com/uploads/2024/07/IMG_0588-e1722010580943.jpg)