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On the afternoon of May 23, Alaska set a new statewide record for the earliest day in the year with a temperature in the 90s.

El Niño is the 800-pound gorilla for the winter climate in the U.S., but in summer, it's more like a 6-pound Chihuahua.

Deke Arndt, chief of the Monitoring Branch at the National Centers for Environmental Information, kicks off a new blog that will cover how climate records are collected and updated, how we know what we know about the climate, and how we can use climate information to make our communities more resilient.

Meramec Greenway
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Community groups are working to establish a connected ring of conservation land around St. Louis, Missouri. They're also incorporating economic data with flood models to help them target areas that will also provide flood protection.

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These graphs show carbon dioxide measurements at the Mauna Loa Observatory, Hawaii. The graphs display recent measurements as well as historical long term measurements. The related website summarizes in graphs the recent monthly CO2, the full CO2 Record, the annual Mean CO2 Growth Rate, and gives links to detailed CO2 data for this location, which is one of the most important CO2 sites in the world.