Climate imperils fish

Cover of "Swimming Upstream: Freshwater Fish in a Warming WorldClimate change and warming lakes and rivers will produce major changes in freshwater fish populations and their ranges, a new report warns.

Download the 34-page report, “Swimming Upstream: Freshwater Fish in a Warming World.” It was produced by the National Wildlife Federation.

The report makes a series of recommendations, including minimizing other stress factors for native fish such as pollution and invasive species, and setting minimum flow standards for streams that anticipate future heat and drought.