Cleaner Ship Fuels Linked to Unexpected Ocean Warming Surge
TL;DR Summary
New shipping fuel regulations introduced in 2020 have significantly reduced sulphur dioxide emissions, but this has inadvertently contributed to ocean warming by reducing cloud cover that reflects sunlight. The reduction in SO2, which has a cooling effect by forming aerosols, may have been responsible for 80% of the planet's net heat uptake since 2020, particularly in busy shipping lanes. This finding highlights the complex relationship between pollution control and climate change.
- Cleaner shipping fuel is contributing to ocean warming, scientists say Reuters
- ‘Termination shock’: cut in ship pollution sparked global heating spurt The Guardian
- Cleaner ship emissions may warm the planet far faster than expected New Scientist
- Unexpected Global Warming Spike Due to Abrupt Reduction in Shipping Emissions, Study Finds gCaptain
- Abrupt reduction in shipping emission as an inadvertent geoengineering termination shock produces substantial radiative warming | Communications Earth & Environment Nature.com
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