After a century of building the U.S. levee system, we're facing a tough reality: It wasn't built to protect us from the effects of climate change.

Headline: Epic flood flows into the Delta

Caption: The crest of the swollen Mississippi River has rolled past Memphis, Tenn., and into the mostly poor, fertile Delta region. Floodwaters have already washed away crops,...

HEADLINE: Crews race to build up levee to aid Iowa town

CAPTION: Workers are racing to protect an Iowa town from the rising Missouri River by adding several feet of dirt to a temporary levee. The situation grew worse when the...

HEADLINE: Iowa farmers take Missouri River into their own hands

CAPTION: After two levee breaches and a rising missouri river that is closing in on the small southwest Iowa town of Hamburg - some resourceful local farmers are...

The analysis from a risk-modeling firm is likely conservative, as another firm estimates the cost could exceed $50 billion.

HEADLINE: Flood waters inch up St. Louis monument

CAPTION: Dozens of homes are threatened in St. Charles County, Missouri, near St. Louis after water overtopped a levee. But towns up and down the Mississippi River are...

HEADLINE: Levee system protects Mississippi towns

CAPTION: A massive levee system, built after historic flooding in 1927, means residents of towns along the Mississippi River can worry a bit less about this year's flood. (Ma
y...

HEADLINE: Missouri town on the brink

CAPTION: Poplar Bluff, Missouri is bracing for a potential levee failure. Seven-thousand people would be displaced if that happens. The AP's Robert Ray has more. (Apri
l 27)
"We were...

Patches of black mold on the ceiling. Water marks on the dingy walls. Toys, furniture and a baby grand piano tossed about and covered in a gray muck.

CLEAN: Exterior shots over a New Orleans highway and river levee, a district that was badly affected by 2005's Hurricane Katrina on August 28, 2015 in New Orleans, Louisiana.

CLEAN: Exterior shots of crowds of tourists walking along and near Bourbon Street in the French Quarter of New Orleans past various brightly neon lit bars, souvenier shops and the like on August 28, 2015 in New Orleans, Louisiana.

CLEAN: Exterior shots of crowds of tourists walking along and near Bourbon Street in the French Quarter of New Orleans past various brightly neon lit bars, souvenier shops and the like on August 28, 2015 in New Orleans, Louisiana.

CLEAN: Shows exterior shots amphibious Cat excavator dredging mud from middle of water channel and moving it to sides as the levees are repaired around the Mississippi in Cancer Alley in Louisiana. Joe Biden says one his top priorities...

Levees with unacceptable ratings are far more common than acceptable. And 73 systems with unacceptable ratings are considered high or very high risk.

Guernville, Sonoma County, California

1. Woman and dog paddle down flooded street in
canoe
2. Wide of flooded
vineyard
3. Officials wo
rking on damage
4. Wide of truck...

Memphis, Tennessee

1. Wide aerial shot of flooding from Mississippi River near Memphis, Tenn
essee
2. Wide aerial shot of Memphis, Tennessee skyline with flooded Mississ
ippi River
Vicksbu
rg,...

Guernville, Sonoma County, California

1. Woman and dog paddle down flooded street in
canoe
2. Wide of flooded
vineyard
3. Fl
ooded vineyard
4. Off
icials assess...

New Orleans

1. Skyline of flooded
city
2. Helicopter drops massive sandbag in attempt to create foundation to r
epair road
3. Broken watermain pu
mping out water
4. Flooded homes - water s
till up to...

Guernville, Sonoma County, California

1. Woman and dog paddle down flooded street in
canoe
2. Wide of flooded
vineyard
3. Mid shot of fl
ooded vineyard
4. Off
icials...

HEADLINE: Levees, floodwalls require round-the-clock watch

CAPTION: All along the swollen Mississippi River, hundreds of thousands of lives depend on a small army of engineers, deputies and even prison inmates keeping...

HEADLINE: Video Essay: TX town survives new border barrier

CAPTION: When the government announced plans to build a new fence along portions of the Mexican border, residents of Granjeno, a sleepy town along the Rio Grande, feared...

As President Donald Trump travels to the border in Texas to make the case for his 5.7 billion US dollars wall, landowner Eloisa Cavazos says she knows firsthand how the project will play out if the White House gets its way.

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