Learn more about scienceandnature with this collection
How to make sustainable choices in everyday life
Identifying ways to reduce waste and conserve resources
Understanding the impact of human actions on the environment
Global Warming: Cement
During calcination in the kiln for making clinker, a powder used to make cement, CO2 is released from raw materials.
Alternative cement-binding materials (or "clinkers") can eliminate these emissions, but there's currently no mature alternative clinker that can significantly reduce emissions at an affordable cost.
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The Bottom Line
With $3 to $5 trillion in value at stake in sustainability, according to McKinsey research, climate investment is an imperative for big companies.
Governments have an important role to play by creating programs at universities to develop quantum talent and by providing incentives for quantu...
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Harnessing Air: CO2 Capture
- CO2 can be captured directly from industrial sources such as a cement or steel blast furnace
- The vast majority of CO2 capture is too expensive to be viable for now
- One possible solution: novel solvents
- Quantum computing promises to enable more accurate modeling of mol...
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Saving Our Soil: Ammonia
Best known as a fertilizer, ammonia could also be used as fuel. Currently, it is made through an energy-intensive process using natural gas.
Other potential approaches include Nitrogenase bioelectrocatalysis.
This method is attractive because it can be done at room te...
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Harnessing The Sun: Solar Cells
Currently, solar cells rely on crystalline silicon and have an efficiency on the order of 20 percent
Perovskite crystal structures, which have a theoretical efficiency of up to 40 percent, could be a better alternative
They present challenges, however, because they lack long-term stab...
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Harnessing Air: Hydrogen
- Improving electrolysis could significantly decrease the cost of hydrogen
- Electrolyzers have delicate membranes that allow the split hydrogen to pass from the anode to the cathode (but keeps the split oxygen out).
- Catalysts and membranes do not yet interact well
- Quantu...
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Reforming Food and Forestry
Twenty percent of annual greenhouse-gas emissions come from agriculture-and methane emitted by cattle and dairy is the primary contributor (7.9 gigatons of CO2e, based on 20-year global-warming potential).
Research has established that low-methane feed additives could effectively stop up to...
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Global Warming: Batteries
- Improving the energy density of lithium-ion batteries enables applications in electric vehicles and energy storage at an affordable cost
- Quantum computing could allow breakthroughs by providing a better understanding of electrolyte complex formation, by helping to find a replacement ...
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Quantum Computing And Global Warming
The emerging technology of quantum computing could revolutionize the fight against climate change, transforming the e...
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Quantum Computing- A Primer
Quantum Computing is a new technology that leverages the laws of quantum mechanics to produce exponentially higher performance for certain types of calculations, offering the possibility of major breakthroughs across several end markets.
The technology works by calculating with qubits, whic...
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Solving Unsolvable Problems
Quantum computing could help reduce emissions in some of the most challenging or emissions-intensive areas, such as agriculture or direct-air capture, and could accelerate improvements in technologies required at great scale.
Quantum computing could bring about step changes throughout the e...
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Karen Schreiber - Chemist
Luckily, chemists are inventing a new way of making cement that cuts down on the release of that CO2.
L.C 3 uses Calcine clay: it is heated to around 800 degrees Celsius, (significantly lower than the 4050 needed to produce cement.) and th...
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