Rk Naresh

Yes, there are technologies designed to remove carbon from the atmosphere, playing a crucial role in reducing the carbon footprint. Carbon capture and storage (CCS) technologies capture CO2 emissions from industrial sources and power plants, preventing them from entering the atmosphere and storing them underground. Direct air capture (DAC) technologies extract CO2 directly from the air for storage or use in products like fuels and building materials. Additionally, afforestation and reforestation, enhanced by drones and AI for efficient planting and monitoring, sequester carbon naturally. These technologies, combined with renewable energy, energy efficiency improvements, and sustainable practices, significantly reduce the overall carbon footprint, mitigating the impacts of climate change and promoting environmental sustainability.

Dr Rohit Kumar thank you for your contribution to the discussion

technology offers various solutions for carbon dioxide removal and plays a vital role in reducing carbon footprints by improving energy efficiency, promoting green technology innovation, enhancing virtual agglomeration, optimizing supply chains, and encouraging sustainable consumption.

Dr Abdelhak Maghchiche thank you for your contribution to the discussion

Our direct air capture (DAC) technology is one of the key technological solutions to fight climate change. It captures CO₂ directly from the air, reducing the atmospheric concentration of CO₂ by only using renewable energy, energy-from-waste, or other waste heat as energy sources. If the crops are burned in a power plant to produce electricity, and the carbon dioxide from the smoke is captured and stored underground, carbon would be moved out of the atmosphere. Planting forests and managing existing forests can help take carbon dioxide out of the atmosphere. There are various ways to remove carbon dioxide from Earth's atmosphere, ranging from early-stage technologies that suck the warming gas from the air and sequester it in artificial stone to more natural interventions involving reforestation or fertilizing parts of the ocean to promote the growth of algae. Carbon capture technologies are still being developed globally, with individual countries creating strategies that respond to their own net zero goals. For example, in China companies have developed experimental commercial air filters huge towers that clean air of pollutants on a huge scale. The use of technology has also made it possible to identify emissions hotspots, develop data-driven decarbonisation pathways, and automate sustainability reporting. One of the key benefits of technology in carbon accounting is that it enables companies to continuously monitor and track their emissions in real time. When we opt for online meetings, we eliminate the energy consumption associated with commuting, thereby cutting down on emissions from vehicles. Additionally, digital alternatives such as electronic books and document management systems offer eco-friendly solutions to traditional paper-based practices. They found that digital technological progress can reduce carbon emissions through the “spillover effect,” but its “spillover effect” has geographical boundaries. Its also believe that digital technology may lead to more energy consumption, which is not conducive to carbon emission reduction. A digital carbon footprint refers to the environmental impact of digital technologies and online activities, including the emission of greenhouse gases (GHGs) and energy consumption associated with the use and operation of digital devices, networks, and services.

Absolutely, there are technologies being developed to remove carbon dioxide from the atmosphere. These are called carbon removal technologies, or sometimes negative emissions technologies.

Here are some of the main approaches:

• Nature-based solutions: This includes planting trees (forestation and reforestation), improving soil health to store more carbon, and restoring coastal ecosystems like mangroves.
• Technological solutions: These are more industrial approaches, and include capturing carbon dioxide directly from the air (direct air capture) or capturing it from sources like power plants and storing it underground (carbon capture and storage).

It's important to note that these technologies are still under development, and their effectiveness and scalability are being researched. Reducing emissions at the source is still the most crucial way to fight climate change.

However, carbon removal technologies can play an important role in:

• Addressing hard-to-reduce emissions from things like aviation and industry.
• Removing carbon dioxide that's already in the atmosphere to achieve net-zero emissions.

So, while they aren't a magic bullet, carbon removal technologies are a valuable tool in the fight against climate change, alongside reducing emissions at the source.

Dr Murtadha Shukur thank you for your contribution to the discussion

Carbon capture involves capturing carbon dioxide from emissions before it is released into the atmosphere, reducing a facility's emissions. Carbon capture technologies include: Post-combustion capture (PCC) uses a chemical solvent, typically amine, to absorb CO2 from exhaust gas when fossil fuels are burned. Two technological approaches are currently used to capture CO2 from the air: solid and liquid DAC. Solid DAC (S-DAC) is based on solid adsorbents operating at ambient to low pressure (i.e. under a vacuum) and medium temperature (80-120 °C). Prioritizing remote meetings and work can significantly contribute to reducing carbon footprints by minimizing the need for transportation. When we opt for online meetings, we eliminate the energy consumption associated with commuting, thereby cutting down on emissions from vehicles. If the crops are burned in a power plant to produce electricity, and the carbon dioxide from the smoke is captured and stored underground, carbon would be moved out of the atmosphere. Planting forests and managing existing forests can help take carbon dioxide out of the atmosphere. Direct air capture is a technology that captures CO₂ directly from the air. Clime works combines its direct air capture technology with permanent underground storage (direct air capture and storage = DAC+S) to lock the air-captured CO₂ away so it can no longer contribute to global warming. Producing this energy takes a significant toll on the environment and generates carbon emissions. This is the digital carbon footprint. Simply put, it's the environmental impact associated with internet use, and online activities, measured in the sum of all greenhouse gas emissions. About two billion tonnes of carbon dioxide are being removed from the atmosphere every year, scientists have calculated for the first time. Newly developed, resilient, cost-effective carbon capture technology represents significant advancement towards India's net zero targets. A Mumbai-based start-up has developed an aqueous-based CO2 capture technology comprising a new catalyst that is robust, cost-effective, and scalable. Nutrients like iron can be added to the ocean to spur phytoplankton growth, a process called ocean fertilization. Phytoplankton take up carbon dioxide, convert it to biomass, and then some will sink to the deep ocean, sequestering that carbon. This strategy relies on the ocean's “biological carbon pump.

Prof Dr Rk Naresh

Is this of any interest?:

Cautious carbon removal. Nat. Clim. Chang. 14, 549 (2024). https://doi.org/10.1038/s41558-024-02048-5

https://www.nature.com/articles/s41558-024-02048-5?utm_source=nclimate_etoc&utm_medium=email&utm_campaign=toc_415