phytoplankton and ocean sediments record a massive release of carbon dioxide into the atmosphere, at least doubling or possibly even quadrupling the background concentrations. It is still uncertain wh ...

city planning," "non-renewable energy," and "hurricane storm surge." The activities in this lesson may help students to understand the relationship between the built environment and the natural world. ...

because the 2016-2017 cyclone season was less active than normal, with only four named storms in the South Pacific Ocean -one additional named storm, Ella, formed after Donna. But even during a quiete ...

the northern and central Plains in mid-March 2019. The March flooding may just be the first round in a potentially devastating spring flood season across the Plains as rivers are expected to remain el ...

Students will learn about the impacts of climate change on communities and ecosystems in the Pacific Northwest, Alaska and the islands around the U. S. This lesson includes a video but does not includ ...

Generally, droughts are caused by a lack of precipitation over an extended period of time. In contrast, a flash drought is preceded not just by a lack of rain, but also very high temperatures and/or l ...

are provided as well as downloadable video webinar. There are display options to show video in other museums or informal science centers. Video and supporting materials could potentially comprise an e ...

gas blocks outgoing infrared radiation and how the concentration of carbon dioxide in the atmosphere has increased since the 1950s. Data for atmospheric carbon dioxide concentrations runs through 2011 ...

or checked. Why have a "reference" network? People in the U. S. have been measuring the atmosphere and recording the passage of weather systematically since the 1870s, and even before. Over time, the ...

cooler than those of January 2013. Despite the cool temperatures that covered most of country in March 2013, temperatures were above average for parts of the West. Arizona, California, and Nevada each ...