http://chronicle.com/img/subscribe-footer.pngBy Andrew J. Hoffman. In last month’s State of the Union address, President Obama sounded the alarm on climate change, pausing to enumerate his administration’s accomplishments but also underscoring the problems that lie ahead. Though his speech encompassed myriad issues facing the American public, Obama emphasized that "no challenge—no challenge—poses a greater threat to future generations than climate change." Read more...