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Floods and flooding ‘will be part of our lives,’ says Brazilian architect and urbanist

Floods and flooding ‘will be part of our lives,’ says Brazilian architect and urbanist

Civilians help with rescues in Porto Alegre, Rio Grande do Sul, in the floods that hit the state. Photo by Alex Rocha/PMPA, used with permission

Rio Grande do Sul, the southernmost state of Brazil, is going through the worst climate disaster in its history. From April 28 onward, a major part of its territory, about the size of the United Kingdom, has been submerged underwater. The heavy rains soon transformed into violent floods, impacting over 1.4 million people, with at least 100 people confirmed dead, according to reports published May 8. Entering its sixth day of flooding, the state capital, Porto Alegre, is now facing a shortage of drinking water.

Under such critical circumstances, it is crucial to understand how this situation escalated so rapidly and consider how intentional city planning might prevent it from repeating itself. 

Mariana Bernardes is an architect and urbanist from Passo Fundo, in the northern portion of Rio Grande do Sul. The city is also among the 425 out of 497 affected, with floods isolated to certain regions of the city.

Bernardes’ work focuses on humanizing structural problems with planning, technical responsibility, and social commitment. In an interview with Global Voices, she spoke about what could have been done to prevent the floods in Brazil and what can be done as communities look to collective reconstruction.

Global Voices (GV): The floods in southern Brazil demonstrate a series of failures and omissions, especially by the State. How could a humanized view of architecture and urbanism have prevented parts of this ongoing tragedy?

Daily “Once in a Century” Floods

Daily “Once in a Century” Floods

Mother Nature’s revenge: Over the last month alone, all corners of the world were hit by major floods. While this is anecdotal, does it not feel like we’re witnessing a new natural disaster each day?

Daily "Once in a Century" Floods
Photo by Chris Gallagher / Unsplash
Picture this:

You come home to find one of your windows broken. It costs $500 to fix so you call someone to get it done.

The next week you come home and the same window is smashed. You chalk it up to bad luck and begrudgingly fork out another $500 to have it fixed.

The next week you come home and are shocked to discover 5 of your windows are smashed. Do you have $2500 to fix them? You find the money, but cut back on eating out for dinner.

The next week those same 5 windows are smashed again. Yet another $2500.

You’ve already cut unnecessary expenses and soon face a tough decision: do you fix the windows or stop contributing to your child’s education fund? Do you fix the windows or make your mortgage payment?

Now imagine every person on your block also had their windows broken, forcing them to cut the same expenses and make the same impossible choices.

This is how climate change erodes civilization. A relentless onslaught of expensive disasters, draining energy and resources from what makes life livable.

Disaster relief or social programs? Reconstruction or eldercare? Rescue efforts or defense?

There comes a day when you can’t have it all. Then, slowly but surely society is bled dry by a thousand cuts. Mother Nature wins.

It’s already happening.

Over the last month alone, all corners of the world were hit by major floods. While this is anecdotal, does it not feel like we’re witnessing a new natural disaster each day?

We may face the impossible choices sooner than expected.

…click on the above link to read the rest of the article…

Climate change doubled the chances of Louisiana heavy rains, scientists warn

A Coast Guardsman looks out from an MH-65 Dolphin helicopter searching for stranded residents in Baton Rouge, LA on Aug. 15, 2016

A Coast Guardsman looks out from an MH-65 Dolphin helicopter searching for stranded residents in Baton Rouge, Louisiana on 15 August, 2016. Credit: Melissa Leake/US Dept. of Agriculture.
Climate change doubled the chances of Louisiana heavy rains, scientists warn

Torrential rains unleashed on south Louisiana in August were made almost twice as likely by human-caused climate change, according to a quick-fire analysis released just weeks after the flood waters subsided.

The team of scientists concluded that such an event is expected to occur a minimum of 40% more often now than in 1900, but their best estimate is that the odds have now halved.

Dr Friederike Otto, a senior researcher in extreme weather and attribution in the Environmental Change Institute at Oxford University, who wasn’t involved in the research, tells Carbon Brief:

“It is a very striking example of the impact that climate change already has on us today…it is the rainfall event with the highest increase in risk that has been analysed, that I’m aware of.”

The new research is the latest in what are known as “single event attribution” studies. This one is notable for being the first collaboration between scientists at the World Weather Attribution (WWA) project and the US National Oceanic and Atmospheric Administration (NOAA).

A view from an MH-65 Dolphin helicopter shows flooding and devastation in Baton Rouge, Louisiana, 15 August 2016

A view from an MH-65 Dolphin helicopter shows flooding and devastation in Baton Rouge, Louisiana, 15 August 2016. Credit: Melissa Leake/US Department of Agriculture.

Historic rains

On 10 Aug 2016, a low pressure system swept into south Louisiana from the Gulf of Mexico. A combination of unusually warm water providing extra “fuel” for the storm and its sluggish movement meant it dumped a huge amount of rain in one area for several days in a row.

The WWA team said in a summary accompanying their findings:

…click on the above link to read the rest of the article…

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