Confluence

By ICLR | Riverine and urban flood-related news from the Institute for Catastrophic Loss Reduction (ICLR)

Underwater: Rising Seas, Chronic Floods, and the Implications for US Coastal Real Estate (2018)

Explore interactive maps of the analysis<p>Sea levels are rising. Tides are inching higher. High-tide floods are becoming more frequent and reaching …

Climate Change

A Year After Hurricane Harvey, Congress Still Hasn’t Improved U.S. Flood Policy

In the year since Hurricane Harvey battered Texas and other Gulf Coast states, leaving 89 people dead and causing more than $125 billion in damage, …

Hurricane Harvey

A year after Hurricane Harvey, some Texans are using outdated flood risk maps to rebuild

One year ago, on August 25, 2017, Hurricane Harvey struck Texas – the first major hurricane to make landfall in the United States since Wilma in …

Extreme Weather

This Is Not the Way to Stop Homes From Flooding

A year ago this month, Hurricane Harvey lumbered ashore along the Texas Gulf Coast, stalling there for four days and dumping more than 60 inches of rain that would cause catastrophic flooding. It was the second-most costly hurricane in American history. Southeastern Texas has been digging out ever …

The impacts and costs of flooding

<b>ANALYSIS/OPINION:</b><p>In an era of increasingly intense and frequent severe weather, tens of millions of Americans are all too familiar with the impacts …

Flood Protection Infrastructure: The Fine Line Between Disaster Generation and Disaster Prevention | ISET

BIG U flood defences for Manhattan move forward

The first phase of Bjarke Ingels' barrier system designed to protect Lower Manhattan from tidal surges and rising sea levels is getting underway.<p>A …

Flood Games: Here's where home elevations weren't being enforced after floods

<b>1</b> of 21<p>Thousands of homes get rebuilt and then flood again, often for more than they are worth, costing taxpayers more than $1 billion in repeat …

Homeowners need to beef up flood insurance amid climate change, diminishing green space

<i>Glenn McGillivray is managing director of the Institute for Catastrophic Loss Reduction</i><p>Many Canadians are vulnerable to flood but don’t know it. This is at least partly because flood is almost universally viewed by property owners as a phenomenon associated only with rivers, creeks, streams and the …

Greenspace

The Challenges of Global Flood Hazard Mapping and Prediction

Flood hazard and risk are increasing and so are the associated costs. It is therefore important to collect data, monitor floods over various scales, …

Post-Harvey Report Provides Inundation Maps and Flood Details on “Largest Rainfall Event Recorded in US History”

Hurricane Harvey’s widespread 8-day rainfall, which started on August 25, 2017, exceeded 60 inches in some locations, which is about 15 inches more …

How do you reduce disaster risk in river deltas?

<b>* Any views expressed in this article are those of the author and not of Thomson Reuters Foundation.</b><p>Delta communities are often poorly prepared for …

High River's painful post-flood rebuild

Five years after floods that devastated the southern Alberta community, its downtown is transformed—though not without friction<p>High River’s downtown …

What will it take for Houston to become more 'resilient'? [Analysis]

How can we take advantage of such opportunities?<p>First, we need to understand all our waterways. Pine Crest, for example, is located on Brickhouse …

Extreme Weather

Nature-based solutions can prevent $50 billion in Gulf Coast flood damages

While coastal development and climate change are increasing the risk of flooding for communities along the U.S. Gulf Coast, restoration of marshes …

FEMA maps lack up-to-date information on flood risk

The Federal Emergency Management Agency’s “patchwork quilt” of flood maps has coverage gaps and is obsolete in places, according to a recent study by the US Environmental Protection Agency (EPA), the Nature Conservancy charity and the University of Bristol.<p>FEMA's current flood maps indicate that …

500 years of Mississippi flood data shows things have gotten worse

Study's authors suggest flood control measures have made things worse.<p>It's hard to get a sense of the Mississippi River's scale without having seen …

National Flood Insurance Is Underwater Because of Outdated Science

<i>Editor’s Note: On July 31, the Senate approved a bill temporarily reauthorizing the National Flood Insurance Program until November 30, 2018.</i><p>The …

The SLR Factor: As sea levels rise, the flood risk equation changes. - Actuarial Review Magazine

<i>Failure to factor in sea level rise is risky business.</i><p>The evidence is irrefutable. The world’s sea level is rising at the fastest rate in human …

FEMA flood maps massively underestimate real risks, study finds. Florida’s a hot spot.

Flood risk, a perpetual concern in porous, low-slung South Florida, is far worse here and across the continental U.S. than now projected under …

28 million Americans live in flood zones and don't know it, study finds

Image 1 of / 27<p>Caption<p>Close<p>Houston has learned the hard way time and again that the maps FEMA uses to set flood insurance rates are way out of whack …

Hurricane Harvey

Press release: Planting the seeds for a flood resilient future

A Sunderland school is more prepared for flooding after a rain garden planter was installed and the school’s pupils created a flood plan as part of …

The Suburban Golf Course, Reconsidered For The Age Of Climate Change

How a community of civic-minded Texans filed a lawsuit to halt real-estate development on a golf course, then took action to transform it into a 200-acre, flood-resistant conservancy.<p>Less than four years ago, the golf course at the center of Clear Lake City, Texas, looked like any other suburban …

City in a Swamp: Houston’s Flood Problems Are Only Getting Worse

<i>A version of this story was originally published in Scalawag Magazine.</i><p>In a corner office in City Hall last July, Stephen Costello ticked off …

Extreme Weather

River Floods Will Threaten Tens of Millions in Next 25 Years

Climate change will put tens of millions more people around the world at risk of exposure to flooding rivers over the next 25 years, an alarming new …

In New York, Drawing Flood Maps Is a ‘Game of Inches’

With its 520 miles of coastline and thousands of acres of waterfront development, New York has more residents living in high-risk flood zones than any other city in the country. Hurricane Sandy, the devastating October 2012 storm, did $19 billion in damage to the city, and the pace of development …

The coastal mortgage time bomb

2017 will be remembered as the year the water came.<p>Hurricane Harvey dropped as much as 60 inches of rain on parts of Houston, shattering American …

Sea Level