5 Questions
What has human-induced global warming of 1.1 degrees C led to?
Unprecedented changes in recent human history
What is a consequence of rising global temperatures according to the report?
Increased probability of reaching dangerous tipping points
What can trigger self-amplifying feedbacks in the climate system, as mentioned in the report?
Thawing permafrost and massive forest dieback
What could happen if warming reaches between 2 degrees C and 3 degrees C?
Complete and irreversible melting of ice sheets
What is a potential effect of setting reinforcing feedbacks in motion, according to the report?
Substantial, abrupt, and irreversible changes to the climate system
Study Notes
Sixth Assessment Report (AR6)
- The Intergovernmental Panel on Climate Change (IPCC) released its final installment of the Sixth Assessment Report (AR6) on March 20.
Climate Change Findings
- Human-induced global warming has reached 1.1 degrees C, causing unprecedented changes to the Earth's climate in recent human history.
- The 1.1 degrees C global temperature rise has led to unparalleled climate changes in every region, including:
- Rising sea levels
- More extreme weather events
- Rapidly disappearing sea ice
Consequences of Global Warming
- The rising global temperature heightens the probability of reaching dangerous tipping points in the climate system.
- Crossing these tipping points can trigger self-amplifying feedbacks that further increase global warming, such as:
- Thawing permafrost
- Massive forest dieback
- Setting these reinforcing feedbacks in motion can lead to substantial, abrupt, and irreversible changes to the climate system.
Ice Sheet Melting and Sea Level Rise
- If global warming reaches between 2 degrees C and 3 degrees C, the West Antarctic and Greenland ice sheets could melt almost completely and irreversibly over many thousands of years.
- This would cause sea levels to rise by several meters.
Explore some of the most striking findings from the final installment of the Intergovernmental Panel on Climate Change’s Sixth Assessment Report (AR6) which highlights the unprecedented changes to Earth's climate stemming from human-induced global warming.
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