For three days in 2005, flooding from Hurricane Katrina cut off the only road to Port Fourchon. Officials had to decide: did the risk of future flooding justify the cost of raising the roadway out of the Gulf's rising waters?

In 2014, the upper ocean held more heat than average throughout most of the major ocean basins.

Rainfall totals across parts of Texas and Oklahoma were several hundred percent above normal in May 2015, leading to record-breaking flood levels on many rivers.

Ocean scientists have designed a new aquatic robot that can go where they suspect some of the heat energy from global warming is hiding: in the abyss.

A worldwide network of Argo floats gives scientists an unprecedented understanding of the ocean depths. Argo floats descend and ascend through the top 2,000 meters of the ocean, collecting observations as they move.

We're nine laps into the race to set a new global annual temperature record. NOAA climate scientist Deke Arndt talks about how this year's race might end--and why yearly rankings tell us less about the big picture of climate change than we might think.

Warm oceans lead to record September warmth for Alaska maritime locations.

As sea level has changed, so has the way we measure it. Here’s a look at some of the technologies climate and marine scientists have used to track Earth’s tides and global sea level over the past two centuries.

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