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floods

Quantifying Stormwater Benefits of Trees Part 2: Single-Event Stormwater Models

July 28, 2015 by Leda Marritz

Help from HydroCAD 

An introduction to various methods to quantify the stormwater benefits of tree stormwater control measures (Tree SCMs). It addresses Hydrologic and Hydraulic (H&H) models and Single-Event Stormwater Models. It follows a post on quantifying these benefits for tree benefit calculators and for stormwater credits.[read more]

How Can Local Design Impact Large Infrastructure Plans and Projects?

June 25, 2015 by The Nature of Cities

Theater in the Eco-Park

After decades of “progress” and aggressive, mostly unplanned, growth, the modern city in the “developed world” collapses under the weight of its heavy infrastructure. Instead, the city needs all of its layers to be considered simultaneously: its natural substrate, infrastructure, buildings, and cultural values.[read more]

How Greening Our Streets Can Also Make Them More Resilient to Extreme Weather

June 8, 2015 by Kaid Benfield

Working with nature to make streets better.

Strategically designed landscaping and paving materials can capture and filter stormwater before it becomes polluted runoff. Tree planting, rain gardens, swales, permeable pavement, and more not only control pollution but also help cool urban heat islands mitigate flooding, recharge groundwater, beautify neighborhoods and enhance nearby property values.[read more]

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Collaborative Video Map, A New Tool for Risk Analysis

June 3, 2015 by Camilo Prats

Using Google Maps and videos in disaster management

How can new technologies and collaborative platforms help us to understand the territorial phenomena and global changes? After the historical floods faced by numerous cities in the Atacama Desert during May 25th, a group of Chilean academics started using citizens videos and mapping technics to develop new tools for Risk Analysis and educational purposes.[read more]

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That Sinking Feeling: The Coastal Cities Doomed to Disappear Beneath the Waves

August 13, 2014 by David Thorpe

Bangkok under water.

Not only are global sea levels rising (at 3 mm per year) due to climate change but ground levels in some coastal megacities are simultaneously falling, and the most vulnerable areas are located on deltas. In some cases subsidence outstrips sea level rise by a factor of ten to one.[read more]

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Ten Ways to Manage Flood Risk by Designing for Exceedance

July 22, 2014 by David Thorpe
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Making space for lots of water

Climate change is bringing extremes of weather, amongst the most damaging of which are extreme downpours of precipitation which overwhelm the ability of urban drainage systems to take the water away, and cause flooding. CIRIA has published a set of design guidelines and best practice recommendations for managing the risks.[read more]

10 ‘Golden Rules’ for Strategic Flood Management

May 28, 2014 by David Thorpe

How to cut the risk of flooding.

This overview of emerging good practice in strategic flood management (SFM) has found that there are many other positive benefits from good, integrated flood risk management besides stopping floods.[read more]

The Wettest Winter In 250 Years

February 26, 2014 by Frantseska Kavvadia

This infographic shows how Britain has just lived through the wettest January since 1776, and encapsulates the impact of the extreme weather conditions providing data on rainfall figures by region, predicted costs, severe warnings, incremental river changes and a checklist of recovery.[read more]

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Catchment Area Management the Only Way to Manage Flood Risks Properly

February 21, 2014 by David Thorpe

How to stop this happening again?

The best way to manage flooding risks from climate change is compulsory retrofitting of sustainable urban drainage and complete management of water flow in the catchment area of rivers, including planting more trees and crops to act like sponges upstream, say 12 national UK bodies.[read more]

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Flood Risks: Urgent Action Needed - But What? Join Our Webinar

February 4, 2014 by David Thorpe
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Floods cost billions: what can be done?

Floods devastating parts of Europe and Americas east coast have brought to the front of our minds the need to protect human habitation from the increasing number and severity of such events. But what are the best strategies for doing so? Sustainable Cities Collective explores the options...[read more]

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Gaza Flooded in New Humanitarian Crisis

December 16, 2013 by David Thorpe

Four days of torrential rain & snow cauased this.

Two people have died and over 5,000 people have been evacuated from flood-damaged homes in northern Gaza in what the United Nations has called "a disaster area". Many people were trapped inside homes by rising waters. Qatar and 1000s of agency workers have come to the rescue.[read more]

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Revealed: Bloomberg's Climate Change Legacy in New York City

November 25, 2013 by David Thorpe

Maria Gallucci investigated Mayor Bloomberg

The amazing and predominantly untold story of how Mayor Bloomberg, his staff and other city leaders put in place hundreds of measures to safeguard New York City from the effects of climate change and make the city a much better place to live.[read more]