Nature-based Solutions (NbS)

"Nature-based Solutions are actions to protect, sustainably manage, and restore natural and modified ecosystems that address societal challenges effectively and adaptively, simultaneously benefiting people and nature.

Nature-based Solutions address societal challenges through the protection, sustainable management and restoration of both natural and modified ecosystems, benefiting both biodiversity and human well-being. Nature-based Solutions are underpinned by benefits that flow from healthy ecosystems. They target major challenges like climate change, disaster risk reduction, food and water security, biodiversity loss and human health, and are critical to sustainable economic development". (IUCN, 2022)

Sources

The International Union for Conservation of Nature (IUCN). "Nature-based solutions." (2022). Link: https://www.iucn.org/our-work/nature-based-solutions

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Dr. Mengyi Jin photo
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Interview with Padmi Ranasinghe, Doctoral student in Urban Planning and Public Policy at the University of Texas (UT) - Arlington

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Padmi Ranasinghe doing field work at Sinharaja Evergreen rain forest
Padmi is currently reading for her Ph.D. focusing on Nature-based Solutions (NbS) for climate change risk reduction and resilience cities. She believes NbS can reduce hydro-meteorological hazards such as floods, droughts, and landslides in the long run. It is a strategy to minimize the gaps in decarbonizing and reducing greenhouse gases and a path to Net-zero cities. NbS, are actions to protect, sustainably manage, and restore natural and modified ecosystems that address societal challenges effectively and adaptively, benefiting people and nature (IUCN & World Bank, 2022). Ecosystem-based adaptation (EbA), ecosystem-based disaster risk reduction (Eco-DRR), ecosystem-based mitigation (EbM), and green infrastructure are some branches under the umbrella of NbS. NbS include conserving forests, mangroves, and wetland ecosystems, halting deforestation, increasing reforestation, climate-smart agriculture, and opening green spaces. According to her, space technology is integral to planning, monitoring, and analysis. Space technology today is so advanced that it can capture and predict changes in the water cycle, climate change variables and so forth. Remote sensing data and satellite-derived information are essential in obtaining accurate data on a specific site anywhere on the Earth's surface. Most recently, she has been involved in projects utilizing urban NbS such as the conservation of Ramsar-Colombo to mitigate urban floods and adapt to climate change. To conduct wetland inventories, space-based data and GIS techniques can be utilized to detect the presence of wetlands and/or water in wetlands. Though there can be some challenges encountered such as limited coverage of specific areas within the wetland, clouds often hiding images, and the low resolution of data making it difficult to differentiate floral species. Unmanned Aerial Vehicles (drones) can provide enhanced accuracy and consistency in measuring wetlands, as well as the presence of water in wetlands, using space technologies. Data and technologies from space contribute to watershed management, sediment measurements and many other environmental aspects.
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Call for papers: international conference on climate solutions for vulnerable countries 2025

Interview with Mengyi Jin, recent PhD graduate at Shanghai Jiao Tong University

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Dr. Mengyi Jin photo
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Interview with Padmi Ranasinghe, Doctoral student in Urban Planning and Public Policy at the University of Texas (UT) - Arlington

Interview with Padmi Ranasinghe, Doctoral student in Urban Planning and Public Policy at the University of Texas (UT) - Arlington

Padmi Ranasinghe doing field work at Sinharaja Evergreen rain forest
Padmi is currently reading for her Ph.D. focusing on Nature-based Solutions (NbS) for climate change risk reduction and resilience cities. She believes NbS can reduce hydro-meteorological hazards such as floods, droughts, and landslides in the long run. It is a strategy to minimize the gaps in decarbonizing and reducing greenhouse gases and a path to Net-zero cities. NbS, are actions to protect, sustainably manage, and restore natural and modified ecosystems that address societal challenges effectively and adaptively, benefiting people and nature (IUCN & World Bank, 2022). Ecosystem-based adaptation (EbA), ecosystem-based disaster risk reduction (Eco-DRR), ecosystem-based mitigation (EbM), and green infrastructure are some branches under the umbrella of NbS. NbS include conserving forests, mangroves, and wetland ecosystems, halting deforestation, increasing reforestation, climate-smart agriculture, and opening green spaces. According to her, space technology is integral to planning, monitoring, and analysis. Space technology today is so advanced that it can capture and predict changes in the water cycle, climate change variables and so forth. Remote sensing data and satellite-derived information are essential in obtaining accurate data on a specific site anywhere on the Earth's surface. Most recently, she has been involved in projects utilizing urban NbS such as the conservation of Ramsar-Colombo to mitigate urban floods and adapt to climate change. To conduct wetland inventories, space-based data and GIS techniques can be utilized to detect the presence of wetlands and/or water in wetlands. Though there can be some challenges encountered such as limited coverage of specific areas within the wetland, clouds often hiding images, and the low resolution of data making it difficult to differentiate floral species. Unmanned Aerial Vehicles (drones) can provide enhanced accuracy and consistency in measuring wetlands, as well as the presence of water in wetlands, using space technologies. Data and technologies from space contribute to watershed management, sediment measurements and many other environmental aspects.
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Interview with Shagun Garg, Doctoral Researcher, University of Cambridge

Interview with Shagun Garg, Doctoral Researcher, University of Cambridge

Photo of Shargun Garg at a work place
In this interview, Shagun Garg, a Doctoral Researcher at the University of Cambridge, shares his journey working at the intersection of water and space technologies. From early experiences with groundwater-related land subsidence in Delhi to improving flood detection methods, his work highlights the advantages and limitations of satellite data in tackling real-world water challenges. Shagun discusses how nature-based solutions, remote sensing, and machine learning come together in his current research to support more sustainable water management. He also reflects on the importance of inclusive approaches that don’t leave out regions or people due to technical constraints. Throughout, he emphasises curiosity, collaboration, and the value of noticing what others might overlook.
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German Aerospace Center

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University of Surrey

University of Surrey

Logo of University of Surrey

The University of Surrey is a leading research and higher education institution in the United Kingdom, known for its strengths in space technology and water research, among other fields.

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Person

Nkhoswe

Ranasinghe

Singh

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Shipra Singh

Postdoctoral fellow International Institute for Applied Systems Analysis

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Popescu

Photo of Ioana Popescu

Ioana Popescu

Associate Professor of Hydroinformatics IHE Delft Institute for Water Education

Ioana Popescu is currently Associate Professor of Hydroinformatics at IHE Delft Institute for Water Education in Delft, The Netherlands. Her research focuses on computational methods, aspects of flood modeling and vulnerability related to floods, lake and reservoir modeling and water supply systems modeling and optimisation. She is particularly interested in integrating mathematical models into decision support systems. Data is key in model development, hence she explores all sources of data, from EO to in situ data and is for the FAIR data sharing.

Popescu

Photo of Ioana Popescu

Ioana Popescu

Associate Professor of Hydroinformatics IHE Delft Institute for Water Education

Ioana Popescu is currently Associate Professor of Hydroinformatics at IHE Delft Institute for Water Education in Delft, The Netherlands. Her research focuses on computational methods, aspects of flood modeling and vulnerability related to floods, lake and reservoir modeling and water supply systems modeling and optimisation. She is particularly interested in integrating mathematical models into decision support systems. Data is key in model development, hence she explores all sources of data, from EO to in situ data and is for the FAIR data sharing.

Garg