Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

In mid-December, I drove to Lake Mead, the nation’s largest reservoir, to see its infamous bathtub ring. The bathtub, in this metaphor, is Lake Mead, on the border between Nevada and Arizona; the ring ...

You’re moving, or maybe you’ve just got a lot of stuff, and you need to rent out a storage container—but you have no real sense for how much storage you need. Keep reading, because understanding the ...

As the Colorado River declines, one fundamental question hangs over the Southwest’s most important waterway: can its people and industries slash their water use, thus aligning their water demands with ...

The drought-stricken Colorado River is in critical condition. Almost two years ago, the federal government declared the first ever shortage on the river, triggering cuts to water supplies in the ...