Optimization of the Beijing Economy-Energy-Emissions System 2021-2035: A Scenario Simulation Analysis Based on a
Anfeng Zhu1, Daojuan Wang2, Yinghan Chen3
1China Center for Agricultural Policy, School of Advanced Agricultural Sciences, 12465Peking University, Beijing, 100871, China.
Science Progress
|August 17, 2022
Summary
Beijing's Economy-Energy-Emissions (3E) system requires integrated policies for sustainable development. Single strategies for industry, energy, or emissions are insufficient to achieve coordinated growth and environmental targets by 2035.
Area of Science:
- Environmental Science and Policy
- Urban Planning and Sustainability
- System Dynamics Modeling
Background:
- Beijing's rapid development presents complex challenges for its Economy-Energy-Emissions (3E) system.
- Existing trends indicate potential shortfalls in economic growth, energy structure optimization, and emissions reduction targets.
- The need for coordinated policy interventions is critical for sustainable urban development.
Purpose of the Study:
- To construct and utilize an Economy-Energy-Emissions (3E) System Dynamics Model for Beijing.
- To estimate the impacts of various single and combined policy scenarios on Beijing's 3E system from 2021 to 2035.
- To identify effective policy strategies for achieving high-quality, coordinated development.
Main Methods:
- Development of a System Dynamics Model integrating Economy, Energy, and Emissions variables.
- Simulation of multiple policy scenarios: three single-policy and four combined-policy interventions.
- Analysis of projected outcomes for key variables including GDP contribution of advanced industries, fossil fuel share, CO2 emissions, and PM2.5 concentrations.
Main Results:
- Under current trends, advanced industries' GDP contribution will reach only 43% by 2035; fossil fuel share remains high at 57%, hindering cleaner energy transition and CO2 reduction goals.
- PM2.5 concentrations are projected to decrease to 19 μg/m by 2035, but a gap persists compared to global benchmarks.
- Single policies targeting industrial structure, energy transformation, or emissions control individually fail to achieve coordinated 3E system development.
Conclusions:
- A comprehensive policy approach integrating industrial, energy, and emissions strategies is essential for Beijing's sustainable and high-quality development.
- Isolated policy interventions are insufficient to meet the complex, interconnected goals of the 3E system.
- Integrated policy packages demonstrate effectiveness in promoting coordinated advancement of economic, energy, and environmental objectives.
Keywords:
Beijing-ChinaEconomy-energy-emissions (3E) systempolicy scenariosimulationsystem dynamics (SD) modelMore Related Videos
Related Concept Videos
Energy Conservation and Bernoulli's Equation
9.4K
Applying the conservation of energy principle or the work-energy theorem to an incompressible, inviscid fluid in laminar, steady, irrotational flow leads to Bernoulli's equation. It states that the sum of the fluid pressure, potential, and kinetic energy per unit volume is constant along a streamline.
All the terms in the equation have the dimension of energy per unit volume. The kinetic energy per unit volume is called the kinetic energy density, and the potential energy per unit volume is...
All the terms in the equation have the dimension of energy per unit volume. The kinetic energy per unit volume is called the kinetic energy density, and the potential energy per unit volume is...
9.4K
Energy Budgets
9.6K
Organisms must balance energy intake with the energy required for growth, maintenance and reproduction. These trade-offs result in a variety of survivorship and reproductive strategies, including semelparity and iteroparity. Semelparous species, like annual plants, have only one reproductive episode in their lifetimes and consequently have short lifespans. Iteroparous species, by contrast, have many reproductive events during their lifetimes but have relatively few offspring. These two...
9.6K
Dynamic Equilibrium
53.0K
A reversible chemical reaction represents a chemical process that proceeds in both forward (left to right) and reverse (right to left) directions. When the rates of the forward and reverse reactions are equal, the concentrations of the reactant and product species remain constant over time and the system is at equilibrium. A special double arrow is used to emphasize the reversible nature of the reaction. The relative concentrations of reactants and products in equilibrium systems vary greatly;...
53.0K
Simplified Synchronous Machine Model
318
The Synchronous Machine Model is a fundamental tool in analyzing and ensuring the transient stability of power systems. This model simplifies the representation of a synchronous machine under balanced three-phase positive-sequence conditions, assuming constant excitation and ignoring losses and saturation. The model is pivotal for understanding the behavior of synchronous generators connected to a power grid, particularly during transient events.
In this model, each generator is connected to a...
In this model, each generator is connected to a...
318
Potential-Energy Criterion for Equilibrium
620
Potential energy or potential function plays an essential role in determining the stability of a mechanical system. If a system is subjected to both gravitational and elastic forces, the potential function of the system can be expressed as the algebraic sum of gravitational and elastic potential energy. If the system is in equilibrium and is displaced by a small amount, then the work done on the system equals the negative of the change in the system's potential energy from the initial to...
620
Conservation of Energy: Application
7.1K
When solving problems using the energy conservation law, the object (system) to be studied should first be identified. Often, in applications of energy conservation, we study more than one body at the same time. Second, identify all forces acting on the object and determine whether each force doing work is conservative. If a non-conservative force (e.g., friction) is doing work, then mechanical energy is not conserved. The system must then be analyzed with non-conservative work. Third, for...
7.1K


