Improve carbon sequestration through selection of more adaptable species

Indonesia’s peatlands are among the most vulnerable ecosystems on Earth and also have significant potential as carbon sinks (1,2). Fire risk in Sumatra's peatland areas is high due to canals that were dug for logging and plantation development (1,2). The Sumatra Merang Peatland Project was thus launched to restore the area as the massive forest fire in 2015 destroyed thousands of hectares of biodiverse tropical forest (1). This project includes restoring more than 22,900 hectares of peatland rainforest in the Merang region, located within Musi Banyuasin Province, South Sumatra in Indonesia (1,2,3). The project targets the Merang biodiversity corridor, one of the largest and deepest peat swamps in South Sumatra, which protects an area more than 3.5 times the size of Manhattan (New York City) (1,2,3). This project is a part of the Althelia Climate Fund and was implemented on the ground by Indonesian Companies named PT Global Alam Lestari (GAL) and Forest Carbon (1,2,3,4,5). The project aims and contributes to climate change mitigation and ecosystem resilience by peat rewetting and reforestation, protecting biodiversity and working with local communities to build and improve livelihoods (1,3).
The first stage of the project is considered completed and is considered to achieve positive impacts already, but it still aims to upscale certain activities until 2025 (3,4,5). The total lifetime of the project extends to 2062 (4).

In order to prevent the damage to mangrove forests that occurred over the last few decades or more, a project was started in the Penang region aiming to raise public awareness regarding the importance of mangroves for their continued conservation and protection through active community participation (community resilience) (1). The project closely relates to the GEF Focal Area on Biodiversity Conservation operational programme (OP) 2 on Coastal, Marine and Fresh Water Ecosystems and is led by the Penang Inshore Fisherman Welfare Association (PIFWA). The project aimed to regenerate mangrove forests by planting up to 11,000 saplings in order to rehabilitate the once degraded mangroves as they are able to ultimately improve the wetland ecosystem and its biodiversity and thus sustain the livelihood of fisher communities (1).
Mangrove forests are an important part of the Malaysian coastline. Besides their contributions to the biodiversity of the Malaysian coast, mangroves also help greatly with protecting the coastal strip from erosion and providing a means of living for the communities located close to the forests. Stabilising the shoreline and reducing soil erosion, mangroves are also home to myriad species of plants and animals, they provide timber and non-timber forest products, and they support fisheries (1,2). Due to their importance, their disappearance is greatly noticed. From 2000, within a period of 15 years, 25,500 hectares of mangrove forests disappeared, mostly due to industrial-scale logging, clearance for shrimp farming, tourism or firewood (5).

Penang is a state located in north-western Peninsular Malaysia with an area of 1,049 km2. It comprises two local authorities, Penang Island and the mainland. The former is further divided into five administrative districts which are further divided into mukims (sub-districts). Two urban mukims located on the island – George Town and Bayan Lepas – are the focus of the proposed nature-based solutions (NBS) climate adaptation programme. The programme was launched in 2022 by UN-Habitat in collaboration with the Ministry of Environment and Water (KASA) of Malaysia, Penang Island City Council (Majlis Bandaraya Pulau Pinang - MBPP), Department of Irrigation and Drainage (Jabatan Pengairan Dan Saliran - JPS) and Think City (a wholly-owned subsidiary of Khazanah Nasional Berhad (the sovereign wealth fund of the Government of Malaysia)). (Ref 1)

The implementation of the project responds to several challenges posed by climate change including heatwaves and flooding (Ref 4). The main goal of the programme is to enhance urban resilience and reduce human and ecosystem health vulnerability to climate change impacts and extreme weather events by implementing nature-based solutions (NBS) such as tree-lined streets, pocket parks, green parking spaces, green facades and rooftops, urban agriculture and blue-green corridors to reduce surface temperatures and stormwater runoff, as well as to increase social resilience and build institutional capacity (Ref 1, 3).

Pirojshanagar Township is an industrial and residential establishment of the company Godrej & Boyce Mfg. Co Ltd (G&B), located in the Vikhroli suburb of Mumbai city along Thane creek, with diverse natural and human-made habitats (1,2). Of the 16 km2 area of the Township, approximately 12 km2 is occupied by the mangrove ecosystem and its associated habitats (1,2). Upon recognizing the importance of this ecosystem, G&B decided to prioritize the conservation of the mangroves that grew along the banks of the newly acquired land (along the Thane Creek west bank) (1,2). Pirojshanagar, with its biodiverse mangrove forest, is sandwiched between two solid waste dumping grounds of the Brihanmumbai Municipal Corporation (BMC), which only increases its importance in the landscape and makes it a green oasis that acts as a carbon sink (1). It was a research-based project and the first successful mangrove conservation project in Mumbai, now serving as the Mumbai Metropolitan's green lung (1,2).

Bangladesh Forest Department (BFD), as a part of its annual development programme, has been leading the coastal afforestation programme to stabilize Bangladesh’s coastline and create green belt. In order to establish mangrove forests in coastal areas, specifically chars in the southern coastal zone, the Forest Department undertook an afforestation project in the new deltas developed in the Bay. Afforestation is being used in vulnerable coastal areas, where the initiative brought mangrove species to the region in order to act as shelters for the exposed coastal communities subject to powerful cyclones, tidal surges, coastal erosion, and other disasters. In terms of the severity of the effects of climate change, Bangladesh is at the forefront, especially for coastal populations, as their livelihoods are wrecked by storms. Nature-based Solutions (NBS) are emerging as significant instruments for coping with climate change, while traditional methods of prevention, such as hard flood defence, have proven to be impractical and unsustainable. Additionally, the project includes greening of the whole coastal regions including creation of strip gardens and home gardens to improve the biodiversity of the area and to stabilize the newly found land. Furthermore, the coastal afforestation project will also help to develop newly accreted land of an island (char) in the Bay of Bengal, which is being included with Bangladesh's mainland from 2021. [Ref 1,3,4,6]

In April 2021, the Kochi City Corporation in collaboration with the World Resources Institute (WRI) and ICLEI South Asia inaugurated the Subhash Bose Park after a thorough renovation. The project was part of the overarching project "INTERACT-Bio" by ICLEI South Asia and the KAWAKI initiative by the WRI (part of the Cities4Forests movement in Kochi). The initiative was launched to demonstrate the application of Nature-Based Solutions (NBS) for climate mitigation in Kochi. The project aims to develop urban grooves similar to the traditional grooves that once existed in Kerala. Additionally, with this project, ICLEI South Asia aimed to address the problems of climate change through mainstreaming biodiversity objectives across the city. The park plays as a major carbon sink at the heart of the city that is home to over 300 species of native trees and many more species of native plants. Furthermore, the Kochi City Corporation is focused on increasing native biodiversity and communicating the importance of this biodiversity to residents in order to ensure long term conservation efforts. This was a key motivator for the city in the conceptualization of the garden which not only improves the native biodiversity of the city but also serves as a demonstration site for nature education. The park also includes a newly built pollinator garden that has augmented the pollinator base in the city. [1, 4, 7, 10]

Delhi Development Authority (DDA) has established a network of Biodiversity Parks in Delhi with unique landscapes that harbour a diversity of plants, animals and microbes living in ecologically sustainable biotic communities and rendering multiple ecological services. Presently there are seven Biodiversity Parks developed by DDA located across the landforms of Delhi. These parks have a mosaic of habitats with rich floristic and faunistic diversity that function as a dynamic ecosystem. They have ecosystem processes such as organic matter decomposition, regeneration of plants, pollination, resting and nesting of birds and colonisation by other animals. The biodiversity parks in Delhi have proved to provide extreme essential services by creating ecological corridors and maintaining the genetic diversity in an urban setup. Furthermore, these parks have shown substantial potential in storing carbon and other pollutants and help in mitigating climate change. [2, 3]

A new nature sanctuary was unveiled at the Kingfisher Wetlands, Gardens by the Bay, in Singapore in 2021. Before the sanctuary was created, the original site was a popular bird-watching spot for the birding community and nature photographers. However, it was isolated and "often missed by the general public". The new Kingfisher Wetlands was thus developed with the aim of enhancing and enriching the Gardens, as well as providing new nature areas for visitors to explore. The place is a new hotspot for the flourishing diversity of exotic flora and fauna. Furthermore, the project helps in mitigating climate change through mangrove plantations. Over 200 native true mangrove trees and mangrove associates have been planted, contributing to sustainability by storing “blue” carbon. Additionally, the project actively supports research into blue carbon science. This contributes to the country's effort to transform Singapore into a City in Nature by weaving nature more intensively into the urban fabric. [1, 4]

Monavale Vlei is an important wetland area within the city of Harare, characterised by miombo woodlands that play an important role in the fragile ecosystem of the Manyame catchment basin, the main supplier of water for the city of Harare and its suburbs. Throughout the years, Monavale has been subjected to a number of threats such as construction developments, dumping of waste, fires, illegal farming, invasive plants, informal agricultural practices and loss of biodiversity. To address some of these challenges the local community organized itself into a group - Conservation Society of Monavale (Cosmo) Trust, to protect the area and, with the help of the municipality of Harare and some international bodies, implemented a series of actions designed to protect the wetland and reduce the loss of biodiversity, among many others. In 2009 the NGO was awarded a United Nations Development Programme Global Environment Facility Small Grant. The intervention had 3 objectives: to restore parts of the wetlands, to advocate with the local and international authorities for the legislative protection of the wetlands, and to engage the scientific community in research regarding the wetlands. This enabled Cosmo to restore Monavale vlei to an almost pristine wetland state, and other UN funding has made possible several training and awareness projects for a wide range of audiences. (1,2,3)

Beirut RiverLESS, a project initiated by OtherDada, aims to address the deterioration of the Beirut River and its negative impact on the surrounding communities and environment by developing a holistic response plan for the Beirut River Watershed. The river runs east to west, then curves north, separating the city of Beirut from its eastern suburbs, primarily Bourj Hammoud and Sin el Fil. The goal is to bring the Beirut River back to life by following a Landscape Ecology approach and by enabling local governance, leading to innovative ecological interventions. Throughout time, the river has been used as a water resource for drinking and irrigation. It also once had an important role as a space for recreational activities. In 1968, the river was transformed from a natural, healthy and performing ecosystem to a canalized infrastructure, becoming an open sewer of domestic and industrial wastewater, highly polluted and posing numerous health risks to its neighbours. The river also lost its recreational and social function as people no longer had access to it. (1)