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

China’s carbon neutral goal

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

China energy security

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

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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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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’.

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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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Staff members of the State Grid Yantai electric power supply company work at an offshore photovoltaic power project in the waters of Zhaoyuan city, eastern China’s Shandong province on November 15, 2024. Photo: Xinhua
Science

China sends 0.1-second blackout recovery tech to protect grids in 12 nations

Grid protection technology enables faults to be isolated and restored within hundred-millisecond window, compared with hours previously.

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Science

China creates world’s first clone-hybrid rice that could double global output

Team developed 6 apomictic rice varieties tested over multiple generations in Hainan and Zhejiang provinces.

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Environment

As Trump taps coal to power AI, China moves on to clothe the world with it

A once-struggling Chinese coal city turns the traditional fossil fuel into nylon, manufacturing popular fashion from sportswear to lingerie.

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China is turning the fossil energy resource into nylon, spurring on its economy with the manufacture of sportswear and other popular fashion items. Photo: Xinhua
China economy

Opinion | Arguing about China’s overcapacity overlooks its drive for clean energy

What is often described as overcapacity is the outcome of a development strategy that treats energy as the foundation of economic capability.

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Fields of solar panels at a power station in Weining, Guizhou province, in China on July 3. Photo: Xinhua
Science

US green tech retreat echoes mistake of China’s Qing dynasty before collapse

While Washington pulls back on climate, Beijing is making it possible for developing nations to leapfrog into a cleaner energy era.

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China economy

Opinion | How China is cementing its central role as the architect of green tech

Beyond climate leadership and capacity building, China is rewriting its own energy system – and the global energy order.

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Science

China desalination tech makes fresh water cheaper than tap water – plus hydrogen

Facility in Shandong province also produces mineral-rich brine for industrial use, achieving ‘one-in, three-out’ circular economy.

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China has figured out a way to produce fresh water from seawater for just two yuan (US$0.28) per cubic metre. Photo: AFP
India

New Delhi’s smog surge linked to 200,000 respiratory cases

Acrid smog chokes Delhi’s skyline each winter, when cool air traps a deadly mix of pollutants from crop burning, factories, and traffic.

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Buildings are shrouded in smog, in New Delhi, India, on November 29. Photo: Reuters
Climate change

Opinion | How Cop30 laid bare the new geopolitics of climate action

Fractures, even among the Global South, show the energy transition is not just a technical challenge but a deeply political negotiation.

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Science

Nuclear tech milestone: China’s supercritical generator connects to grid

Supercritical carbon dioxide power system in southwest China is the world’s first commercial unit of its kind.

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Climate change

Opinion | China’s quiet climate leadership offers hope for Global South and world

The Global North is failing to deliver on its climate pledges while Beijing patiently lays the groundwork for a greener future.

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Illustration: Craig Stephens
Science

China overtakes US in medical research in science power shift: top publisher

Country is ‘now global leader in scientific publishing and output’, Fred Fenter, chief executive editor of Swiss-based Frontiers, says.

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Climate change

Outside In | Takeaway from Cop30: climate action needs to be up close and local

A focus on adaptation means a pivot to action on floods, typhoons, heatstroke deaths, wildfire damage – issues of immediate survival.

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Climate change

Opinion | How Cop30 can advance a new template for South-South climate leadership

Proven monitoring, policy lessons and the moral weight of the Amazon venue give the Global South a rare convergence of tech capability and political urgency.

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Leaders gather during the launch of the Tropical Forest Forever Facility in the framework of the Cop30 UN Climate Change Conference in Belem, Para State, Brazil, on November 6. Photo: AFP
China-Latin America relations

Cop30: China to join coalition seeking shared rules for carbon trading

New alliance, which also includes the EU and UK, was created to align standards globally and help countries trade carbon credits more easily.

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The Wujing Power Station in Shanghai. China is set to join a coalition seeking shared rules for carbon trading at Cop30 in Belém, Brazil. Photo: AFP
Science

Lead scientist of China’s thorium reactor project died working on the computer

Death of nuclear physicist Xu Hongjie came just weeks before the project he led achieved a breakthrough in fourth-generation nuclear power.

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Science

China reaches energy independence milestone by ‘breeding’ uranium from thorium

Chinese research institute confirms success of fission-based innovation that is poised to reshape clean, sustainable nuclear power.

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India

Artificial rain? Delhi tries cloud seeding in fight against deadly smog

There are plans for the scheme to be rolled out, with the city’s 30 million people living in one of the world’s most polluted capitals.

A man in Delhi walks with a face mask on Thursday after the air quality dipped again. Photo: Reuters
Accidents and disasters in China

China’s double threat: Shanghai sinks as sea level rises fastest in 4,000 years

Researchers from Britain, China and the US warn in Nature article about increased flood risks from subsidence induced by human activity.

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China faces an average of US$1.5 billion in annual economic losses because of subsidence, with Shanghai alone accounting for more than US$3 billion in damages between 2001 and 2020. Photo: NurPhoto via Getty Images
Energy

How outdated power grids are hobbling Southeast Asia’s green energy boom

Without more investment in smart grids, Southeast Asia could lose US$2.3 billion annually by 2040, an energy think tank warns.

Business of climate change

China’s clean-energy stocks closing gap with global renewables surge

Policy tailwinds could help Chinese solar and energy-storage shares catch up with a global gold-beating rally, analysts say.

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