News Sci/Tech Evaluating Land-Based Mitigation Strategies for Achieving 2°C Climate Targets
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Climate change

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Evaluating Land-Based Mitigation Strategies for Achieving 2°C Climate Targets

Global warming poses a significant threat to ecosystems, societies, and economies worldwide. In recent decades, an international climate policy goal of limiting global warming to 2°C above pre-industrial levels was established. This ambitious target aims to avoid severe and irreversible impacts on the environment.

Understanding the Challenge

International agreements like the Paris Agreement and policy frameworks, including carbon pricing mechanisms, play a pivotal role in achieving this goal. However, effective climate decisions require robust information and data. Simulation and modeling frameworks allow policymakers to assess potential impacts, understand climate system dynamics, and evaluate mitigation and adaptation strategies.

Land-Based Mitigation Scenarios

A team of researchers led by Assistant Professor He Xiaogang from NUS Civil and Environmental Engineering applied an integrated modeling framework to two land-based mitigation scenarios:

  1. Bioenergy with Carbon Capture and Storage (BECCS): This approach combines bioenergy (derived from biomass) with carbon capture and storage technologies. While BECCS offers carbon removal benefits, there are potential unintended consequences, including bioenergy cultivation-induced carbon emissions and water stress.
  2. Reforestation and Afforestation (re/afforestation): These natural climate solutions involve planting trees to extract atmospheric carbon dioxide through photosynthesis and soil carbon sequestration. They play a critical role in regulating Earth's climate.

Implications for Land Carbon Sink and Climate

The study evaluated the biogeophysical and biogeochemical implications of these scenarios. Understanding these processes is essential for effective climate change mitigation and adaptation. By addressing ecological, social, and financial constraints, we can enhance the impact of forestry-based natural climate solutions.

Let's work together to safeguard our planet and create a sustainable future.

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