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NEWS: Coastal wetlands are unable to adapt to the rate of sea-level rise and are constrained by infrastructure

Wetlands, precious ecosystems that shield coastlines, safeguard drinking water from saltwater contamination, and nourish diverse wildlife, face a dire threat from the accelerating pace of sea-level rise, driven by global warming. Wetlands have historically adapted to rising sea levels by expanding upward and inland. However, predictions indicate that the waterline will soon shift far too rapidly for wetlands to keep pace. Consequently, future decades may witness the tragic loss of these vital wetland ecosystems. Wetlands along coastlines have historically played valuable roles for people and wildlife, but are now facing the threat of sea-level rise. As temperatures rise, sea levels are rising at an accelerating rate, and wetlands are unable to keep pace by building upward and migrating inland. This is due to human-induced climate change and the burning of fossil fuels, which has warmed the oceans and melted glaciers. Sea levels are now rising at about 10 millimeters per year, and are

How the pandemic affects the design of our built environment?

Although social distancing and quarantine measures are extensively adopted as the first preventive measure,  there are other built environment factors that increase the risk of contracting the virus.




Rapid urbanization is resulting in a growing number of slum dwellers, inadequate and overburdened infrastructure and services, and worsening air pollution. The Covid-19 pandemic will hit hardest the more than one billion slum dwellers worldwide, who suffer from a lack of adequate housing, no running water at home, shared toilets, little or no waste management systems, overcrowded public transport and limited access to formal healthcare facilities.

Urgent plans are needed to prepare for and respond to outbreaks in informal settlements and slums. The crisis has triggered companies to rethink their business model with a refreshed sense of perspective, by evaluating positive and negative impacts of the crisis throughout the business value chain.

Governments and industries will have to take a serious look at how their current governing structure, strategies, investments, operational activities (including products and services) and the needs of various stakeholders are aligned with the Sustainable Development Goals (SDGs).

Among the most dramatic demographic trends of recent decades is humanity’s emergence as an urban species. Today, the United Nations estimates that 55% of us inhabit cities, a figure that could rise to 67% by mid-century.

That trend could easily stall if urban settings become, as they were historically, hotbeds of infectious disease. Covid-19, which has targeted crowded cities such as Milan and New York, poses a direct challenge to SDG11, which calls on all nations to make “cities and human settlements inclusive, safe, resilient and sustainable”.

The Covid-19 pandemic has already significantly altered urban life. The number of people moving around has dropped to unprecedentedly low levels. Work from home is the new normal — for those who can afford it, and for whom it is even a feasible option to begin with.

The fate of millions of small businesses and workers that make urban centres work is up in the air. These changes have sparked a debate about how cities should be built and, perhaps more importantly, how they can better respond to current and future crises.

In this context, the pandemic increased the requirement for policymakers, planners and architects to think more out of the box, trying to reshape our physical spaces, and reset the existing build environment or develop more ideas to face future virus attacks. These changes give us a glimpse of how our cities could change for the better, and the worse, in the long term.


However, it is too early to judge how responses to Covid-19 will affect design and urbanism theories. These results call for urgent efforts to further explore our built environment and not wait for another pandemic to serve as a reminder. This approach must be parallel to other sustainable approaches embracing, not impinging on, natural resources and not harming our environment. If we can manage that, our present built environment will continue to serve us well.

The Covid-19 pandemic has caused serious consequences that can be an opportunity to review individual and collective choices and priorities. Most of our built environment today shows evidence of how humans have responded to infectious diseases by redesigning our physical spaces.

Thus, social distancing could change the design and planning process specifically with the increased acceptance of distance learning, online shopping and the cultural connection of online entertainment. The use of media for information sharing, and webinars for sharing knowledge and expertise have seen widespread adoption during the Covid-19 pandemic.

Although new technologies can create additional difficulties, opportunities have emerged to apply innovative solutions to more smart and virtual world applications in the built environment. Many measures adopted during the emergency will become part of daily life, changing habits and behaviours, and they may be a positive or negative intervention in architecture and urban planning approaches.

Built Environment factors that increase the risk of contracting the virus:

Population density: In our current health crisis, certain densely populated cities have proved to be particularly vulnerable to the risk of infection;

Household size: A big household or large or extended family will have a higher chance of bringing the virus home. This will need special consideration in design solutions to prevent infection;

Social distancing level: Working from home might reduce social contact but is available only to some people focused on jobs linked to a higher socioeconomic status. Moreover, stay-at-home regulations would be more than a challenge for those who live in smaller and crowded houses or without outside spaces;

Shared facilities: Shared housing includes a broad range of settings with special considerations. People living and working in this type of building might have challenges with social distancing to prevent the spread of Covid-19; and

Housing characteristics: With a stay-at-home attitude essential to the Covid-19 response, housing characteristics take on added importance in people’s lives. Extended time indoors could raise various challenges in the design of post-pandemic housing. Because we are forced to stay and work from home, post-pandemic house and office spaces will witness a great transformation because we will be more aware of the functionality of our homes and workspaces in an interestingly new approach.

Also read: Can the built environment and fashion influence others towards an environment-centered approach to doing business?

Hopefully, when the Covid-19 pandemic ends, most healthy architecture and urban design approaches could be applicable to the pandemics to come. We could imagine all housing buildings as self-sufficient, independent and healthy neighbourhoods and making smart use of the available technologies. It is crucial to make urban areas more resilient to emergency response, to face epidemics and other possible future emergencies of every kind.

Epidemics have transformed our built environment because of the fear of infection. Consequently, built-environments after the Covid-19 pandemic will never be the same. Although the current global pandemic poses a challenge at all levels in the built environment, it will take time to develop enabled paradigms to reduce the potential risks or stop the virus from spreading.

In her talk “Achieving the SDGs through the Covid-19 Response and Recovery”, presented at the Malaysia Urban Forum (MUF2020) organised by Urbanice Malaysia last September, Tan Sri Dr Jemilah Mahmood, special adviser on public health to the prime minister of Malaysia, clearly stated that the pandemic has exemplified the intimate correlation of health with the built environment.

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She said other critical challenges, including the health impact of climate change, also require people to rethink health systems in the 21st century and embrace the current approaches to planetary health. Managing the pandemic effectively requires humility to learn constantly from other countries’ successes and mistakes as well as our own, and to continually improve. All of us have a role to play in managing and adapting to life in the age of Covid-19.

Source: The Edge Markets


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