Nature-Based Solutions
Afforestation and Reforestation Have Varying Biodiversity Impacts Across and Within BiomesBackgroundAfforestation and reforestation (AR) are widely promoted as nature-based solutions (NbS) for carbon dioxide removal and climate mitigation. Global initiatives aim to expand forest cover significantly to meet climate targets. However, AR can produce unintended biodiversity impacts, particularly when implemented in ecosystems such as grasslands or savannas, where native species are not adapted to forest conditions. The ecological outcomes of AR vary across biomes and species, highlighting the need for spatially explicit, biodiversity-sensitive planning frameworks. Open access copy available |
Tipping Points of Amazonian Forests: Beyond Myths and Toward SolutionsBackgroundOpen access copy available |
Strong Climate Mitigation Potential of Rewetting Oil Palm Plantations on Tropical PeatlandsBackgroundTropical peatlands store vast quantities of carbon and therefore play a crucial role in global climate regulation. In Indonesia, extensive areas of peatland have been drained and converted to oil palm plantations and other agricultural uses. Drainage exposes peat to oxygen, accelerating decomposition and releasing large amounts of carbon dioxide into the atmosphere. Since degraded peatlands are estimated to contribute significantly to global greenhouse gas emissions, restoration strategies such as peatland rewetting have gained increasing attention as potential natural climate solutions. Open access copy available |
Storm Surge Reduction by MangrovesBackgroundFlooding and wave energy from storm surges can damage infrastructure and harm inhabitants of coastal communities. Climate change and sea level rise have the potential to increase or intensify storm surges, which necessitate investment in coastal defenses and disaster risk reduction. Mangroves can reduce the effects of storm surges through attenuating waves and wind, making mangroves an important form of nature-based protection for coastal communities. Open access copy available |
Reduction of Wind and Swell Waves by MangrovesBackgroundCoastal ecosystems can mitigate the damage from extreme weather events like tropical storms and hurricanes. With human populations increasing in coastal areas, policymakers and stakeholders are interested in coastal ecosystems, like mangrove forests, as a nature-based form of coastal defense and resilience. This report aims to examine the potential for mangroves to reduce wind and swell waves in order to inform decision makers about the potential for mangroves to decrease the risks faced by coastal communities. Open access copy available |
Forest carbon in Amazonia: the unrecognized contribution of indigenous territories and protected natural areasBackgroundAmazonia stores an estimated 80–120 Pg of aboveground carbon, and changes in this stock have global climate implications. Indigenous territories (ITs) and protected natural areas (PNAs) together cover roughly one-third to one-half of the Amazon region, yet their specific contribution to maintaining forest carbon has often been overlooked in regional mitigation discussions. Quantifying their role is important for designing REDD+, climate finance, and land rights policies that reflect on-the-ground conservation performance. Open access copy available |
Mangrove Forests: Protection Against and Resilience to Coastal DisturbancesBackgroundOpen access copy available |
The Evolution of Carbon Market: A Systematic Review and Bibliometric StudyBackgroundCarbon markets are now central to climate policy because governments increasingly rely on carbon pricing to align economic decisions with emission reduction targets. As emissions trading systems and carbon taxes expand in scope and scale, policymakers and researchers need a clear picture of how underlying scholarship has developed and where knowledge gaps remain. Literature on carbon markets has grown rapidly, spanning multiple disciplines, making it difficult to track dominant themes, influential contributions, and blind spots, especially around equity, governance, and Global South experiences. Open access copy available |
Emerging climate impact on carbon sinks in a consolidated carbon budgetBackgroundOpen access copy available |
Realizing the social value of impermanent carbon creditsBackgroundNature-based solutions (NbS) for carbon sequestration provide additional benefits outside of climate change mitigation, such as protecting biodiversity and local livelihoods. However, NbS projects struggle with financing due to challenges demonstrating additionality, avoiding overestimation of carbon storage, establishing metrics to compare NbS with technological projects, and accounting for project impermanence (i.e., the future risk of carbon being released into the atmosphere due to fires, deforestation, disease, or severe weather events). Open access copy available |
