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تقنيات المناخ.. صناعة بـ600 مليار يورو لمكافحة التغير المناخي
تقنيات المناخ تمثل حلولًا مبتكرة تهدف إلى مكافحة تغير المناخ من خلال خفض الانبعاثات واحتجاز الكربون من الغلاف الجوي. ووفقًا للخبراء، من المتوقع أن تُدرّ هذه الصناعة إيرادات سنوية تُقدّر بـ600 مليار يورو بحلول عام 2030. تندرج هذه التقنيات ضمن المفهوم الأوسع لما يُعرف بـ”التكنولوجيا النظيفة”، وهي تشمل الابتكارات التي تُعالج التحديات البيئية، مثل فقدان التنوع البيولوجي، وتراكم النفايات، والتلوث…
Icelandic newspaper claims Climeworks fails to capture enough CO2 to cover its own emissions. (Heatmap AM)
The Swiss carbon removal company Climeworks allegedly fails to capture enough carbon even to offset its own emissions, an investigation by the Icelandic newspaper Heimildin found. According to the report, since Climeworks began operations in Iceland, “it has captured a maximum of 1,000 tons of CO2 in one year” — not enough to offset its emissions of 1,700 tons of CO2 in 2023. Climeworks operates two plants in Iceland: Orca and the recently opened Mammoth, which together have captured 2,400 tons of CO2, per the report. The goal is for Mammoth to capture more than 36,000 tons per year by the time it is fully installed later in 2025.
Last week, we covered in AM that Climeworks is preparing for significant cuts to its workforce. While the company confirmed those reports, its founder, Jan Wurzbacher, pushed back on Heimildin’s investigation on LinkedIn, writing that Orca and Mammoth have together captured 1,058 tons of net CO2, explaining that “the difference between theoretical and actual output is due to various factors such as planned and unplanned down-times, weather, filtering losses” and additionally, that Mammoth is “still under ramp-up.” In a fact-check on Twitter, Jack Andreasen Cavanaugh, formerly of Breakthrough Energy, added that “operational challenges are to be expected with scale up of any technology, let alone one as nascent and challenging as DAC,” but that Heimildin’s report also “clearly shows the challenges of scaling a necessary climate technology that doesn’t have a market.”
Climeworks & The Race Against Climate Change: Can We "Suck" Our Way Out?
Climeworks' Project, the world's largest direct air capture facility, removes CO2 from the atmosphere. Learn more about DAC technology.
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Swiss company Climeworks has opened the biggest operational direct air capture plant in the world to pull carbon dioxide from the atmosphere
Excerpt from this story from EcoWatch:
Swiss company Climeworks has opened the biggest operational direct air capture (DAC) plant in the world to pull carbon dioxide from the atmosphere.
The Mammoth plant, located in Iceland, is nearly ten times bigger than Orca, its second-largest plant.
“Starting operations of our Mammoth plant is another proof point in Climeworks’ scale-up journey to megaton capacity by 2030 and gigaton by 2050,” said Jan Wurzbacher, Climeworks co-founder and co-CEO, in a press release from Climeworks.
The DAC process sucks carbon from the air and stores it, most often underground, where it can no longer contribute to global heating.
With global efforts to reduce fossil fuel emissions inadequate to prevent the worsening effects of climate change, United Nations scientists have estimated that carbon dioxide in the billions of tons will need to be removed to meet climate targets, reported Reuters.
Climeworks’ new DAC plant has an annual carbon capture capacity of 36,000 metric tons. The Mammoth plant, begun in 2022, will be completed by the end of this year.
The company’s first commercial DAC project was also in Iceland — the Orca plant — and has an annual capacity of 4,000 metric tons.
“Mammoth has successfully started to capture its first CO₂. Climeworks uses renewable energy to power its direct air capture process, which requires low-temperature heat like boiling water. The geothermal energy partner ON Power in Iceland provides the energy necessary for this process,” Climeworks said. “Once the CO₂ is released from the filters, storage partner Carbfix transports the CO₂ underground, where it reacts with basaltic rock through a natural process, which transforms into stone, and remains permanently stored.”
Critics of carbon capture technology argue that it uses an enormous amount of energy, is expensive and that focusing on the removal of carbon from the atmosphere could encourage companies to continue burning fossil fuels rather than lowering their emissions. Many critics also emphasize that its effectiveness has not been proven.
Speaking about carbon capture in general, Lili Fuhr, Center for International Environmental Law’s fossil economy program director, said the technology “is fraught with uncertainties and ecological risks,” as CNN reported.
The total carbon removal capacity on Earth can only remove roughly 0.01 million metric tons per year of the 70 million tons that would need to be removed by the end of the decade to meet worldwide climate goals, the International Energy Agency said.
Climeworks — which does not have ties to fossil fuel companies — said it is looking to lower the costs of DAC technology to $400 to $600 per ton by the end of the decade and $200 to $350 a ton by 2040, reported Reuters.
Development is currently in the works for megaton Climeworks hubs in the United States, the press release said.
World’s largest carbon capture plant begins operations in Iceland - Times of India
NEW DELHI: On Wednesday, the world’s largest facility designed to remove carbon dioxide from the atmosphere started operations in Iceland. Dubbed “Mammoth,” this plant is Climeworks‘ second commercial direct air capture (DAC) facility in the nation and is significantly larger than its predecessor, Orca, which began in 2021. This cutting-edge technology draws in air and chemically extracts carbon…
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Bước ngoặt mới cho công nghệ hút CO2 từ khí quyển rồi chôn dưới lòng đất
Một trong những công nghệ quan trọng nhất để giải quyết vấn đề biến đổi khí hậu vừa đạt được bước ngoặt mới khi công ty khởi nghiệp (startup) Climeworks của Thụy Sĩ tuyên bố lần đầu tiên thành công trong nỗ lực hút carbon dioxide (CO2) từ không khí và đưa xuống lòng đất, nơi loại khí ô nhiễm này sẽ được hóa thạch. Hôm 12/1, Climeworks cho biết lần đầu tiên thành công trong hai công đoạn: hút CO2…
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Direct Air Capture Turns CO2 to Stone
Direct air capture is one of the newest tools in the fight against climate change, and it's growing in popularity.
Direct air capture is one of the newest tools in the fight against climate change, and it’s growing in popularity. According to research agencies like the United Nations Intergovernmental Panel on Climate Change, we’re at a point where reducing emissions alone will not stop the harmful sorts of climate change. We also need to clean up our mess, including removing a massive amount of carbon…
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