ENVIRONMENT A new study suggests that Alaska’s permafrost is unleashing an increasing amount of carbon dioxide as it thaws. (Washington Post) What is permafrost? Use our super-short reference to find out. Teachers, scroll down for a quick list of key resources in our Teachers Toolkit. Discussion Ideas A new study suggests thawing permafrost is contributing to climate change. What is permafrost? Take a look at our … Continue reading Alaska is Melting