A recent study highlights that even a temporary global warming exceeding 2 degrees C will have a long-lasting impact on marine ecosystems.
This study suggests that exceeding climate goals, such as limiting global warming to 1.5 degrees Celsius, can lead to irreversible changes that will affect our planet for centuries.
It is predicted that the Earth will most likely exceed the 1.5°C warming threshold, and even temporarily exceed 2°C, if carbon dioxide (CO₂) levels in the atmosphere reach a higher level than expected.
This climate overshoot, or exceeding emissions targets, could lead to irreversible changes such as sea level rise, reduced ecosystem functionality, the threat of species extinction and the melting of glaciers and permafrost, many of which are already being observed.
The researchers assessed the effects of changing ocean temperatures and oxygen levels on marine ecosystems. Temperature changes and water deoxygenation are interrelated, as increasing water temperature reduces its ability to hold dissolved oxygen.
Their results highlight the long-term effects of climate change on marine ecosystems and underscore the importance of efforts to reduce greenhouse gas emissions and take action to combat global warming.
2023-10-14 00:30:26
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