UN Chief calls for urgent clean energy transition at London Climate Action Week

Date: 2026-06-23
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By:  Nana Appiah Acquaye

The world's dependence on fossil fuels is fuelling both the climate crisis and global energy insecurity, according to António Guterres, who has called for an accelerated transition to clean energy as a pathway to a safer, more resilient and equitable future.

Speaking at the London Climate Action Week, the United Nations Secretary-General urged governments, businesses and financial institutions to intensify efforts to reduce greenhouse gas emissions, strengthen climate resilience and advance climate justice for vulnerable populations.

Framing his remarks around what he described as a "Tale of Two Crises," Guterres argued that climate change and energy insecurity are deeply interconnected challenges driven by the world's continued reliance on fossil fuels. He emphasized that addressing both crises requires a rapid and fair shift towards renewable energy sources, supported by increased investments in climate adaptation and resilience measures.

The Secretary-General warned that the consequences of climate change are becoming increasingly evident across the globe. He noted that the planet has experienced its 11 hottest years on record, with rising temperatures contributing to more frequent and severe droughts, floods, heatwaves and other extreme weather events. These impacts are placing growing pressure on economies, ecosystems and communities, particularly in developing countries that have contributed the least to global emissions.

Guterres also highlighted scientific projections indicating that global temperatures are likely to exceed the critical 1.5°C threshold in the coming years. Such an outcome, he warned, would heighten the risk of irreversible climate tipping points, including widespread coral reef loss, accelerated melting of polar ice sheets and significant disruptions to global weather systems.

He stressed that the transition to clean energy is not only an environmental necessity but also an economic opportunity. Renewable energy technologies are becoming increasingly affordable and can enhance energy security, create jobs and support sustainable development while reducing dependence on volatile fossil fuel markets.

 

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