RE: Rule 2.4 takeover code should had been actioned months ago by Solg30 Oct 2025 08:21
Currently we are not on target to limit global warming to 2%.
It's closer to 3%.
Here is a rough description of what happens at 3%.
A 3°C rise in global temperature above pre-industrial levels would be catastrophic, with impacts far more severe than three times the damage caused by 1°C of warming. With current climate policies, the world is on track to reach approximately 3°C of warming by the end of the century.
Extreme weather
At 3°C of warming, land areas will heat up much more than the global average, with some regions experiencing double the temperature increase.
More frequent and intense heatwaves. Extreme heat will become a major cause of mortality, with large parts of the tropics becoming essentially too hot to live. Longer, more frequent heatwaves will be life-threatening, especially to vulnerable populations.
Expanded lethal heat and humidity. Conditions where the body's cooling system is overwhelmed will expand from being rare and brief to affecting 711 million people globally at least once a decade.
Intensified droughts and rainfall. The atmosphere's increased capacity to hold moisture will lead to heavier rainfall events and more destructive flooding. Paradoxically, hotter temperatures will also cause more evaporation, leading to more frequent and severe droughts.
Stronger tropical cyclones. These storms will draw more energy from warmer oceans, increasing their destructive power and the intensity of associated rainfall and storm surges.
Sea level rise and coastal damage
Multiple "tipping points" in polar ice sheets could be triggered, locking in irreversible, long-term sea-level rise.
Irreversible sea-level rise. At 3°C, the potential collapse of the Greenland and West Antarctic ice sheets could commit the world to a 2 to 5-meter sea-level rise over centuries. The pace of this rise would accelerate continuously.
Coastal displacement. Hundreds of millions of people would be displaced from coastal areas, with populations in Asia disproportionately affected. Major cities such as Miami, Shanghai, and Alexandria would be highly vulnerable to flooding.
Saltwater intrusion. Rising sea levels would contaminate coastal groundwater supplies with salt, further compromising freshwater sources.
Ecosystem and biodiversity collapse
A 3°C warmer world would see the collapse of delicate ecosystems, mass extinctions, and the disappearance of vital habitats.
Coral reef death. Almost all warm-water coral reefs would die off, devastating marine life and coastal fisheries.
Widespread species extinction. Up to 50% of endemic land and marine species could face extinction. Mountain ecosystems are especially vulnerable, with 84% of endemic species at risk.
Rainforest dieback. The Amazon rainforest, a critical carbon sink, is at risk of transitioning into a savanna. Deforestation could push this "tipping point" to a lower temperature threshold.
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