Climate crisis: New carbon capture method revealed by scientists - BBC News

TL;DR

Scientists have developed a new method of removing carbon dioxide from the air and storing it in the sea, which is three times more efficient than current methods, and widespread use of carbon capture technology is crucial to preventing dangerous levels of global warming.

Transcript

now a new method of removing carbon dioxide from the air and storing it in the sea has been outlined by scientists the research say it captures CO2 from the atmosphere up to three times more efficiently than current methods experts believe the widespread use of carbon capture technology will be needed if the world is to avoid dangerous levels of wa... Read More

Key Insights

• 😒 Carbon capture technologies have been in use for decades in the chemicals industry.
• 💱 Permanent storage of captured CO2 is essential for preventing climate change.
• 👶 The new carbon capture method using carbonation shows promise in efficiently removing and storing CO2.
• ✊ Scaling up carbon capture technologies is necessary to capture and store large amounts of CO2 from power stations and industrial plants.
• 😋 The International Energy Agency emphasizes the need to capture billions of tons of CO2 by 2050.
• 👱 Direct air capture is important for addressing emissions that cannot be captured directly from specific sources.
• 😋 The UK's climate change committee suggests capturing and storing over 50 million tons of CO2 by 2035.

Questions & Answers

Q: How do carbon capture technologies work?

Carbon capture technologies involve separating carbon dioxide from exhaust gases using chemical compounds or other absorbents. The captured CO2 is then transported and stored, contributing to preventing climate change.

Q: What is the significance of permanent storage in carbon capture technology?

Permanent storage is crucial for keeping captured CO2 out of the atmosphere and preventing climate change. It involves storing CO2 in geological formations such as disused oil and gas fields or saline aquifers.

Q: How does the new carbon capture method using carbonation work?

The new method involves bonding CO2 with other chemicals to form carbonates. These carbonates lock in the CO2, preventing its release into the atmosphere and providing an efficient way to remove and store carbon dioxide.

Q: How much CO2 needs to be captured and stored to combat global warming?

The International Energy Agency suggests capturing over seven and a half billion tons of CO2 using carbon capture and storage by 2050. A significant portion of this, around a billion tons, will need to come from direct air capture to address emissions that can't be captured directly.

Summary & Key Takeaways

• Carbon capture technologies involve separating carbon dioxide from exhaust gases and storing it to prevent climate change.

• The new method involves carbonation, where CO2 bonds with other chemicals to form carbonates that lock in the CO2.

• Scaling up carbon capture technologies is essential to capturing and storing large amounts of CO2 from power stations and industrial plants.