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Climate change science and technology

Climate change science and technology
Latest news, analysis and commentary about the technological aspects of adjusting to climate change, including stories about decarbonisation, the removal of pollutants from the air, water or soil, and innovations in energy-saving technology.
A coal-fired power plant in eastern China's Zhejiang province on July 15. Photo: AFP
China energy security

China wasting more clean energy than its power demand growth this year: report

All new electricity needs in China could have been met if the clean energy had been absorbed by the grid, non-profit organisations say.

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China energy security

China’s nuclear roll-out gets a jolt with new 5-year plan for reactors

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Climate change

Macroscope | Who pays when overheated roads melt and rails buckle?

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Climate change

Opinion | Trump’s rants over China’s green energy transition are just hot air

It’s not Chinese turbines or European rules that look outdated but Trump’s belief that China’s energy transition is not world-leading.

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US President Donald Trump enjoys a light moment during a meeting with oil executives in the East Room of the White House in Washington on January 9. Photo: AP
China energy security

China’s latest nuclear reactor connects to grid, set to supply power to 1m

New reactor at Taipingling Nuclear Power Plant launches as Guangdong sees a growing number of reactors built across the province.

China energy security

China green-energy costs seen undercutting traditional energy as capacity soars

Energy-storage chairman eyes ‘0.1-yuan era’ for equipment as solar and wind projects gradually sideline coal in the nation’s power-generation mix.

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Climate change

Opinion | Geopolitics is complicating the green transition – and China’s moment

Governments want to transition to cleaner energy but also cut strategic reliance on China. Balancing these goals will be tricky.

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A traffic jam outside the Berlaymont building as the European Commission College meets in Brussels on April 22 to discuss the AccelerateEU initiative towards clean, homegrown energy. Photo: EPA
Singapore

Forget air-con, Singapore looks underground for a cooler future

The rapidly warming city state has among the highest per capita use of air conditioners in the Asia-Pacific.

Environment

Video | Are we on the verge of another nuclear age?

Industry leaders predict China will become the world’s largest nuclear power producer by 2030.

Hong Kong environmental issues

Editorial | Hong Kong’s trees can serve as barometers amid climate change

The authorities and the public can play a role in documenting anomalies in leaf-shedding and flowering, and act to mitigate environmental harm.

Kapok trees bloom with vibrant red flowers while retaining green foliage that typically would have shed during winter, in Hong Kong on March 16. Photo: AFP
China economy

Opinion | Rise of China complicates ‘authoritarian’ vs ‘democratic’ binary

As China’s trajectory exposes the limitations of labels inherited from another era, understanding how governance systems work is more important.

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A large screen shows news footage of China’s Chang’e-6 lunar probe collecting a sample from the far side of the moon, in Beijing, China, on June 4, 2024. Photo: Reuters
China energy security

Nuclear power revival gets boost from Iran war

China is set to open seven nuclear reactors this year, and other countries are reconsidering atomic energy as the Strait of Hormuz shutdown disrupts oil and gas supplies.

China energy security

China’s vast nuclear power sector now able to build 50 reactors at a time

China has more reactors under construction than the rest of the world combined, as it aims to become a global leader in nuclear power.

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China energy security

Turning point? Clean energy met 100% of world’s new power needs in 2025: report

World has ‘firmly entered’ the clean growth era, with renewables overtaking coal as a power source for the first time last year, report finds.

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Workers install solar panels in China’s eastern Jiangsu province. Photo: Reuters
China economy

Opinion | As oil-shocked world turns to renewables, China will reap the rewards

The biggest losers will be the Middle East and the US, as oil becomes less important and doubts grow about US might.

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The Xianshuiwo photovoltaic power plant in the Yi-Hui-Miao autonomous county of Weining, in southwest China’s guizhou province, is seen on July 3, 2025. Photo: Xinhua
Climate change

Outside In | The end of an era at sea offers us a grim reminder on land

One of the biggest icebergs in recent memory is melting out of existence. Its silent fate mirrors the neglect of our biosphere.

European Union

EU eyes nuclear energy again as oil prices soar amid Iran war

It was ‘a mistake’ to turn away from ‘a reliable, affordable source of low-emission power’, says EU chief, amid new funding - and protesters.

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China energy security

China vows to stabilise oil and gas output in new 5-year plan amid global risks

Amid Mideast instability and US$100 oil, China is mapping out strategic production bases, underpinning long-term energy security.

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A truck is loaded with coal in China’s Jiangsu province. Photo: AFP
Science

China plans to fire up world’s first accelerator-driven nuclear reactor

Device deemed to burn uranium 100 times more efficiently, while cutting nuclear waste lifespan to less than a thousandth of current span.

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China technology

Editorial | China steps up its clean energy push with electric ships

As the world’s largest shipbuilder and a leader in EVs and advanced batteries, the country is well placed to help clean up the polluting shipping industry.

Hong Kong environmental issues

Opinion | The high price of Hong Kong’s slow switch to electric buses and taxis

Slow electrification undermines the city’s green ambitions and squanders a chance to secure its role as a Greater Bay Area innovation hub.

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Taxis and buses outside Tai Wai MTR station on July 14, 2024. Photo: Sam Tsang
India

High tension in India as banks, utilities resist solar shift

India’s efforts to nearly double clean energy capacity to 500 gigawatts by 2030 are being met with reluctance from banks and state utilities.

Employees inspect photovoltaic cells used in solar panels at an Adani Group factory in Mundra, India, on November 5, 2025. Photo: AFP
China’s carbon neutral goal

Green gambit sees China turn old oil pipeline into new carbon highway

Successful 27km trial unlocks vast carbon dioxide transport potential, bridging geographical gaps to accelerate a process seen as vital to large-scale decarbonisation.

China energy security

China’s clean power energising economy, adding a Brazil’s worth of GDP: report

Clean energy industries drove more than one-third of China’s economic growth in 2025, as they continue to expand rapidly, study finds.

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Science

Tibet’s exploitable green power could meet China’s energy needs: official survey

Extreme conditions, a fragile ecology and spatial constraints limit the expansion of renewable energy in Qinghai-Tibet Plateau, study finds.

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Chinese researchers have reported that the technically exploitable capacity of hydropower in Tibet could reach 178 gigawatts, and more than 100GW for wind power. Photo: Getty Images
Science

Chinese hydrogel coating boosts solar panel output by 13%, ideal for hot regions

Researchers say cooling innovation can lower temperature of overheated ‘hotspots’ on solar cells that can cause panel failure and fire risk.

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Research team says it has received interest from several companies keen to collaborate on commercialising the cooling technology. Photo: Handout
China technology

China’s nuclear fusion start-ups power up with record funding round

Startorus Fusion raised US$143 million, a record for a private firm, while Supermag New Energy received ‘several hundred million yuan’.

Energy

Opinion | Clean energy works at scale. Now it must be coordinated

The next decade will be defined not only by new clean energy capacity, but by how well grids, storage and demand systems are connected and optimised.

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