Strange New Land Is Growing Along Louisiana's Disappearing Coastline 

Louisiana's wetlands are famously disappearing, thanks to a century of dredging and drilling in the Mississippi River. A football field-sized swath of land falls into the ocean every hour. But along on small part of the coastline, the land is actually growing. Welcome to Atchafalaya Bay. » 2/13/15 9:55am 2/13/15 9:55am

Every River in the U.S., Colored According to the Way It Flows

There are over 250,000 rivers in the U.S., some subtly serene, others tremendously tumultuous. But in this visualization you can see them all—and the color shows which way their waters flow. » 12/23/14 7:45am 12/23/14 7:45am

Tiny Changes in Earth's Gravity Can Help Predict Floods Months Away

When the Missouri River spilled over its banks in a catastrophic 2011 flood, we could have seen it coming—from space, that is. There's more to the story than meets the eye: the satellites don't take photos of snowpacks or rivers, but rather, they detect tiny changes in gravity over the Earth's surface to track water. » 7/08/14 3:00pm 7/08/14 3:00pm

7 Cities Making Their Urban Rivers Swimmable Again

It's almost time for another steamy, sweaty summer in the city—and nothing looks like it might cool you off more than that sparkling waterway winding through the center of your downtown. But can you really swim in it? In more and more cities, the answer is a refreshing yes. » 6/03/14 10:00am 6/03/14 10:00am

​How To Find And Purify Drinking Water In The Wilderness

Staying hydrated is essential while camping, hiking or just spending time outside. Here's how to find the best water sources, then ensure their water is safe to drink. » 5/23/14 4:22pm 5/23/14 4:22pm

How the Colorado River Finally Reached the Sea Again

This week, for the first time in decades, the Colorado River flowed to its natural end in the Gulf of California. But it was the opposite of a natural event. The artificially engineered "pulse flow" that pushed the waters all the way to the Gulf required an unprecedented collaboration between the U.S. and Mexico,… » 5/20/14 12:20pm 5/20/14 12:20pm

How to Get a Fish To Cross a Dam

Imagine you're a river herring, maybe about a foot long, swimming merrily upstream when you suddenly hit a giant concrete wall. How do you cross it? Engineers are now designing new fishways disguised as broad, rocky pools that help migrating fish make their way through dammed up rivers. » 5/08/14 3:46pm 5/08/14 3:46pm

The longest rivers and the tallest mountains in one exquisite graphic

It may not be accurate anymore, but I want a hard copy of this beautiful 1854 graphic that shows the longest rivers and the tallest mountains in the world—so I'm definitely taking this high resolution file and printing it. Click here for more information about these charts. » 11/21/13 9:59am 11/21/13 9:59am

A Self-Driving Mini Cooper Submarine for Commuting on the L.A. River

You're late for a meeting in downtown Los Angeles and you're still all the way over in Burbank—13 miles and 45 stop-and-go minutes away by freeway. Instead, you walk a few blocks to the Los Angeles River, where you board a stylish pod-like watercraft. Soon, you're zipping down the river channel, faster than any… » 11/14/13 1:40pm 11/14/13 1:40pm

This Barge Fleet Keeps the Mighty Mississippi in Check and on Course

For as much as we rely on the Mississippi River for trade, transportation, and agricultural irrigation, the world's third-largest tributary system has only recently been tamed. One multiple occasions, the mighty Mississippi has overflown its banks, flooding into the surrounding valley, destroying property and lives. » 10/25/13 11:31am 10/25/13 11:31am

Why We Don't Design Our Cities to Withstand 1,000-Year Floods

The floods in Colorado are being described as "Biblical," and for once that word seems to fit. Boulder, for example, usually gets around 15 inches of precipitation annually. This year, that amount has fallen in the ten days since September 9 alone. On September 12, they received nine inches in one day. » 9/19/13 11:00am 9/19/13 11:00am

Everything's Gone (Fluorescent) Green, Including the Rivers

No, this river isn't full of radioactive waste. And&em;despite the insistence of the interns&em;the Hulk didn't piss in it either. So why, exactly, was this river recently glowing a bright shade of green? » 1/11/11 11:20pm 1/11/11 11:20pm