National climate assessments, mandated by Congress in the Global Change Research Act of
1990, summarize current and future impacts of climate change. To date, four assessments
have been released, the most recent (NCA4) in 2018.
NCA5 is in the early stages of development with expected release in 2023. Technical inputs are
being solicited by going to https://www.globalchange.gov/nca5 and clicking on “NCA5
Engagement. For regular updates, subscribe to the USGCRP newsletter
(https://www.globalchange.gov/newsletter-signup) or follow @usgcrp on Twitter.
In addition to chapters on specific topics or sectors, there will also be ones on regional impacts.
Montana is included in the Northern Great Plains region. Anyone with suggestions for topics to
be included in the regional chapter can contact Robert Byron, rgbyron@gmail.com.
Rob is a contributing author.