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Singapore is advancing hydrogen integration as a cleaner energy source, allowing its mixing with natural gas in power plants and exploring hydrogen-based fuels for maritime applications. A global study published on December 18 highlights the dual role of hydrogen in climate change, indicating that while it is not a greenhouse gas itself, it can prolong methane's atmospheric presence, exacerbating global warming.

The study, led by the Global Carbon Project, found that hydrogen levels rose from 1990 to 2020, contributing to temperature increases. The International Energy Agency reports global hydrogen demand nearing 100 million tonnes in 2024, with only 1% being green hydrogen, though this is expected to rise by 2030.

Singapore plans to have at least eight hydrogen-compatible power plants by 2030 and is developing bunkering protocols for methanol as marine fuel by 2026. Investment in green hydrogen production is essential to mitigate its environmental impact.