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Strengthen and prepare global healthcare systems to cope with the consequences of unbearable heat and health-related challenges associated with extreme environmental conditions.
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Tipping Points GS3: Environment
Tipping Points • Definition: Critical threshold in environmental science. • Risk Tipping Point: When a socio-ecological system can no longer effectively mitigate risks. • Beyond this point, potential for catastrophic impacts increases.
Identified Tipping Points • Extinctions: Risk of irreversible loss of species. • Depleting Groundwater: Affecting essential resource availability. • Melting Glaciers: Accelerated retreat due to climate change. • Space Debris: Proliferation in space, risks to satellites. • Unbearable Heat: Escalating temperatures and humidity. • Uninsurable Future: Extreme weather events and economic losses.
Accelerated Extinctions • Human-induced activities hastening extinctions. • Over 400 vertebrate species extinct in the past century. • Survival of approximately one million species at risk. Domino Effect on Ecosystems • Disappearance of one species triggers a domino effect. • Example: Gopher tortoise and dusky gopher frog.
Depleting Groundwater Reserves • Global aquifers in critical state, primary source for two billion people. • 70% allocated for agriculture. • 21 out of 37 largest aquifers depleting faster than replenishment. Melting Glaciers • Vital water sources for various purposes. • Melting at twice the rate due to global warming. • Loss of 267 gigatons of ice annually.
Depleting Groundwater Reserves • Alarming proliferation of space debris. • Risks to operational satellites and missions. • 130 million fragments too small to track. Unbearable Heat • Associated with "wet-bulb temperature" exceeding 35°C. • Effects on health and organ failure.
Uninsurable Future • Escalating frequency and severity of extreme weather events. • Sevenfold increase in losses from weather-related disasters since the 1970s. Charting the Path Forward • Global Cooperation: Strengthen international collaboration. • Aggressive Emissions Reductions: Combat climate change. • Invest in Sustainable Energy: Reduce reliance on fossil fuels. • Biodiversity Protection: Safeguard biodiversity. • Enhanced Global Health Systems: Prepare for health-related challenges. • Conflict Resolution Mechanisms: Resolve conflicts in the face of environmental threats.
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