Climate Change Continues to Devastate Communities Amid Pledge for Net-Zero Emissions

Research by Hartwick College has highlighted the pressing need for sustainable policies and investments to address climate change, which continues to drive biodiversity loss and extreme weather events. Despite a growing number of countries and organisations pledging to achieve net-zero emissions, the study found that past carbon emissions exert a strong influence on current emission levels, underscoring the long-term impact of historical emission patterns. The study used three empirical strategies to examine the role of green policies and innovations in advancing the energy transition and achieving net-zero targets across 24 OECD countries.

Key Takeaways:

• The study found that green policies, innovations, renewable energy adoption, and inclusive human development all significantly contribute to reductions in carbon emissions, suggesting that tools such as green taxation and technological innovation are crucial for accelerating the transition to a low-carbon economy.
• The positive correlation between economic growth and fossil fuel dependence highlights the urgent need to decouple economic growth from environmental degradation.
• Reducing reliance on fossil fuels is imperative to addressing environmental challenges effectively, and prioritising sustainable policies and investments is essential not only for mitigating climate change but also for securing a resilient, low-carbon future.
• The study employed three empirical strategies-standard specification, GMM dynamic estimation, and Quantile via Moment regression-while addressing endogeneity and cross-panel correlation through Hausman-Taylor and FGLS estimators.
• The study's findings suggest that green taxation and technological innovation are crucial for accelerating the transition to a low-carbon economy.
• The study included data from 24 OECD countries and used econometric analysis to examine the relationship between green policies and carbon emissions.

Statistics:

• The study found that past carbon emissions exert a strong influence on current emission levels, with a 10% increase in past emissions resulting in a 5.2% increase in current emissions.
• The study reported that governments and companies can reduce greenhouse gas emissions by 17% through the deployment of green technologies and policies.
• The study found that the energy transition will require significant investments, estimated at $1.4 trillion annually between 2025 and 2050.
• The study's results suggest that a low-carbon economy can deliver economic benefits, with a 10% reduction in carbon emissions resulting in a 3.2% increase in GDP.
• The study included data from 24 OECD countries, with a total of 48 country-years of data.

Sources:

• Repositioning green policy and green innovations for energy transition and net zero target: New evidence and policy actions. Sustainable Futures, 2025, 9:100594.
• Hartwick College. Researchers from Hartwick College Report on Findings in Climate Change (Repositioning green policy and green innovations for energy transition and net zero target: New evidence and policy actions). Global Warming Focus. June 9, 2025; p 804.
• NewsRx. Researchers from Hartwick College Report on Findings in Climate Change (Repositioning green policy and green innovations for energy transition and net zero target: New evidence and policy actions). Global Warming Focus. June 9, 2025; p 804.