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

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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
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NEWS: The construction sector can help lead the economic recovery – Here’s how

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The construction sector may hold the key to kick-starting economies ravaged by the fallout from the COVID-19 pandemic. It absorbs workers from other sectors relatively easily, and projects can target regions and towns where the post-COVID recession is hitting hardest.


Past crises have shown that, although households and private sector businesses may be reluctant to invest while the economic future is uncertain, governments can increase investments in infrastructure projects, particularly maintenance schemes because these usually involve simpler and quicker approval processes.

Investing in infrastructure can be among the first set of measures to kick-start economies because governments can directly stimulate demand and job creation, compensating for the lack of private sector and household spending. In most other sectors of the economy, the government is reliant on the private sector being willing to hire extra workers and cover their share of the costs.

There is also a good economic ‘trickle down’ effect from construction work. Local businesses benefit from large projects by supplying raw materials, transport, accommodation, food, and other goods and services.

Before COVID-19 struck, many construction workers were on short-term, project-based contracts, and so lost their incomes almost immediately. Those in or from developing countries, where the sector is highly informal, are likely to lack severance pay, unemployment insurance, or any other safety net. They need to get back to work as soon as possible.

Equally, many enterprises in the sector, or those which rely on it, are small or medium-sized and at serious risk of bankruptcy if business does not return soon.

The right infrastructure projects can support not just employment and business activity, they can also provide the foundations for the ‘build back better’ approach of inclusive and sustainable development that policy makers are talking about, if they include environmental objectives and improve access to basic services for the poor.

Clearly, the right government policies and programmes are needed – and quickly – so the construction sector can not only restart but protect its workers and prevent any virus spread as it does so. 

Here are some suggestions on how construction can get our economies going again
  • Investment can focus on existing infrastructure maintenance backlogs. Maintenance is usually more labour-intensive than other types of construction and can be approved more quickly.
  • Where there is mass unemployment and/or low wage costs, labour-intensive activities and local labour-based construction methods can be adopted.
  • Large projects should be balanced by smaller rural and social infrastructure investment (e.g., health care, waste management, water treatment, upgrading informal housing), because these engage local resources and businesses.
  • International labour standards offer already agreed, widely-accepted standards and systems that can ensure quick-start recovery projects and still protect the needs of vulnerable and informal workers and meet international standards for occupational safety and health, better social dialogue, and rights of workers to organize and be heard.
  • Green infrastructure should be prioritized, so we ‘build back better’. These should include both household-level projects (such as renewable energy systems) and national projects like transport adaptation and ecosystem restoration.
  • Economic stimulus initiatives should support the Sustainable Development Goals and Agenda 2030. Before the crisis, underinvestment in infrastructure related to Agenda 2030 was estimated at USD 6.9 trillion per annum. Recovery packages can help plug this gap. Where individual countries lack funds, debt relief and restructuring can provide support.

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