World Society of Sustainable Energy Technologies

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World Society of Sustainable Energy Technologies

WSSET | World Society of Sustainable Energy Technologies

WSSET is a non-profit organisation led by Saffa Riffat, Professor in Sustainable Energy and Head of the Institute of Sustainable Energy Technology at the University of Nottingham.

25/03/2026

Global CO₂ emissions remain highly concentrated among a few major economies. China remains the largest emitter, though its emissions have recently stabilised and begun to decline slightly. The United States continues a gradual downward trend, India’s emissions rise with economic growth, and the EU maintains steady reductions under consistent climate policy.

Reference:
Global CO₂ emissions in 2025: data, trends and climate solutions. Sustainability Global, 2025.

19/03/2026

As EV adoption grows, understanding what happens to batteries after their use in vehicles becomes increasingly important. Rather than becoming waste, they can be repurposed for energy storage before being recycled to recover valuable materials, supporting a more circular energy system.

17/03/2026

Is nuclear power a clean energy source?

According to Professor Peter Lund, Aalto University, nuclear energy is not a clean energy source.

Nuclear power generates electricity through nuclear reactions that produce no direct carbon emissions, making it a low-carbon energy source during operation.

However, assessing its sustainability requires considering the entire fuel cycle. Nuclear energy produces highly radioactive waste that must be safely stored for thousands of years, and concerns remain around long-term waste management and nuclear security.

Due to these factors, nuclear power is often discussed separately from renewable sources such as solar and wind. It is carbon free during electricity generation, but the long term environmental and safety issues continue to shape how it is classified in the energy transition.

References:

IPCC (2022). Climate Change 2022: Mitigation of Climate Change.
IAEA (2022). Climate Change and Nuclear Power.

13/03/2026

Rising tensions in the Middle East are pushing oil prices higher, highlighting the vulnerability of electricity systems that still rely on oil. Sustainable energy technologies offer a path to stronger energy security and lower exposure to volatile fuel markets.

12/03/2026

Is Malaysia keeping pace with sustainable development in Southeast Asia?

Ir. Dr. Norhayati Mat Wajid of Universiti Teknologi MARA highlights Malaysia’s electricity sector as one of the key indicators of sustainability progress. Power generation remains one of the largest sources of emissions, making the transition to cleaner electricity central to decarbonisation.

Malaysia’s National Energy Transition Roadmap (NETR) outlines several structural targets, including achieving net zero emissions by 2050, increasing the share of renewable electricity, reducing reliance on coal, and expanding solar and other clean energy capacity.

Regional comparisons also provide useful context. Data from The International Energy Agency (IEA) shows Malaysia’s renewable electricity share sits in the mid to upper range within ASEAN, performing better than several economies that remain heavily dependent on fossil fuels.

The NETR aims to accelerate this transition further, positioning the electricity sector as the backbone of Malaysia’s long term climate strategy.

Reference:
International Energy Agency. (n.d.). Malaysia – Renewables

Ministry of Economy, Malaysia. (2023). National Energy Transition Roadmap (NETR)

10/03/2026

Which energy source has the greatest potential?

Solar energy stands out not as a future prospect, but as a technology that has already reached economic competitiveness. According to the International Energy Agency, solar PV is now the cheapest source of new electricity generation in most regions globally and continues to lead renewable capacity growth.

As deployment expands, the challenge shifts from producing solar power to integrating it effectively. The International Energy Agency projects significant growth in battery storage this decade to support grids with higher renewable pe*******on.

The potential, therefore, does not lie in the source alone. Solar may be leading in cost and deployment, but its long term impact depends on how effectively storage and system design evolve alongside it.

Reference:

International Energy Agency. (2023). World Energy Outlook 2023.

International Energy Agency. (2023). Renewables 2023.

05/03/2026

In 2013, China faced one of the most severe air pollution crises in its modern history. Prolonged smog episodes and extremely high levels of fine particle pollution turned air quality into a national policy priority.

The response was structural. The Air Pollution Prevention and Control Action Plan introduced binding targets, stricter industrial and vehicle standards, reduced coal use, and strengthened nationwide monitoring and enforcement.

The impact is visible in the data. National average fine particle pollution declined significantly in the decade after 2013, with peer reviewed studies estimating reductions of roughly 30 to 40 percent across major cities. The improvement was not incidental, it followed policy intervention.

China’s experience shows that large scale environmental decline can be reversed when regulation, enforcement, and energy reform align. Sustaining those gains, however, requires continued commitment.

References:

Centre for Research on Energy and Clean Air, 2020. China’s air pollution trends 2013–2019.

Energy Policy Institute at the University of University of Chicago, 2023. Air Quality Life Index: China country report.

Huang, J., Pan, X., Guo, X. and Li, G., 2018. Health impact of China’s air pollution prevention and control action plan: An analysis of national air quality data. The Lancet Public Health, 3(12), pp.e593–e600.

World Bank, 2024. PM2.5 air pollution, mean annual exposure (micrograms per cubic meter) – China. World Development Indicators.

03/03/2026

Can renewable energy lower electricity bills?

Prof. Peter Lund points to Finland as a practical example. The country is often cited as having among the lowest electricity prices in Europe, alongside a high share of renewables in its national grid.

He notes that solar and wind are one of the cheapest forms of new electricity generation. As these sources expand, the cost composition of the system changes. Electricity pricing becomes less tied to imported fuel markets and more anchored in domestic generation capacity.

This shift reduces exposure to global fuel volatility and helps explain how renewable-heavy systems can support more competitive pricing.

27/02/2026

SET2026 registration is now open!

📍 Bangkok, Thailand
📅 13–15 August 2026

The conference flyer is now available with full details on themes, keynote speakers, important dates and venue information.

Early bird registration is now open for a limited period. Secure the reduced rate and confirm your place early.

Join us for the 22nd International Conference on Sustainable Energy Technologies.

Register now at: set2026.org

27/02/2026

Ready for Bangkok?

20/02/2026

Bosco Verticale shifts the expectation of what a residential tower can be.

Plant life is treated as a permanent architectural element, maintained with the same precision as structure, water, and energy systems.

The project presents a model in which high density housing can accommodate ecological processes within its architectural framework.

Reel cover source: imageBROKER; Photographer: Uwe Kazmaier

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