Virginia Smith: The global risk of flooding -- and how to turn the tide | TED

TL;DR

This content highlights the issue of flooding, its global impact, the need for innovative solutions, and how individuals can contribute to addressing this challenge.

Transcript

Transcriber: I was in a village in Samoa, in the South Pacific, and I don't remember when the rain started, just that it didn't stop. For more than a month, 24 hours a day, it just kept coming. The rivers rose, and soon no one or nothing could come in or out. We were just there, in the flood. Have you or a loved one ever been affected by flooding?... Read More

Key Insights

• 💧 Flooding is a globally impactful natural disaster, causing thousands of deaths every year and costing billions of dollars in economic losses annually. It is a significant challenge that requires innovative solutions.
• 🌍 Urbanization and rapid population growth contribute to increased flood risks, as cities alter their landscape, resulting in more stormwater runoff and decreased water quality. Traditional approaches to flood management are no longer sufficient.
• 💔 Low-income communities are disproportionately affected by flooding, lacking the resources to prevent and recover from economic upheaval. Vulnerable populations are hurt the most, and this is a global challenge that needs to be addressed.
• 🛰️ The data revolution has provided scientists and engineers with new tools to gain insights into flood patterns and develop solutions. The constant generation of data through satellites, gauges, sensors, and personal devices allows for better understanding and prediction of floods.
• 🌱 Green stormwater infrastructure is a cost-effective and efficient solution to mitigate flooding while improving water quality and community health. Implementing these systems has transformed cities like Philadelphia into global leaders in stormwater management.
• 🗣️ Investing in flood protection infrastructure yields significant returns, with every dollar spent on flood mitigation resulting in hundreds of dollars of avoided damages. It is essential to use our voices to advocate for funding and support for flood protection measures.
• 🚧 Maintaining and creating green stormwater infrastructure on an individual and community level can make a significant difference. Taking actions such as volunteering and investing in these solutions helps to reduce the impact of stormwater runoff.
• 💡 Finding innovative solutions to flooding requires collaboration across disciplines and sectors. It is not solely an engineering problem but requires input from arts, education, biology, chemistry, urban planning, public health, and more. We all have a role to play in finding solutions and shifting the power paradigm of flooding.

Questions & Answers

Q: How many lives are affected by flooding every year globally?

According to the World Water Resource Institute, flooding takes between 4,000 to 5,000 lives every year worldwide.

Q: How many properties in the United States are at substantial risk of flooding?

In the United States, 14.7 million properties, including homes and businesses, are at substantial risk of flooding.

Q: How much money was spent on global flood recovery in 2010?

In 2010, 176 billion dollars were spent on global flood recovery, which is equivalent to roughly 20 percent of the grocery bill for every family in the US for one year.

Q: How much money is projected to be spent on global flood recovery by 2080?

By 2080, it is projected that over four trillion dollars will be spent on global flood recovery.

Q: Why is flooding still a huge problem despite our efforts to solve it?

Flooding continues to be a significant issue because our growing urban populations and their close proximity to rivers and oceans make our lives easier. This results in altering landscapes, increased stormwater runoff, and a decrease in water quality, resulting in greater flood impacts.

Q: How can individuals get involved in addressing the issue of flooding?

Individuals can get involved by using their voice and advocating for investing in flood protection infrastructure. They can also take action by implementing green stormwater infrastructure in their communities and volunteering to maintain it. Additionally, individuals are encouraged to innovate and contribute their own solutions to the problem of flooding.

Summary & Key Takeaways

• Flooding is a global problem that affects millions of people and causes significant economic losses.

• Rapid urban growth and a changing climate contribute to the increased risk of flooding in coastal and urban areas.

• Solutions to flooding involve investing in infrastructure, using green stormwater systems, and encouraging innovation and community involvement.