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The total economic impacts from climate change are difficult to estimate. In general, they increase the more the global surface temperature increases (see climate change scenarios). Economic analysis also looks at the economics of climate change mitigation. Most types of climate change effects are associated with an economic cost.
Changes in climate can cause decreasing yields for some crops and regions, resulting in higher food prices, food insecurity, and undernutrition. Climate change can also reduce water security. These factors together can lead to increasing poverty, human migration, violent conflict, and mental health issues. [7] [8] [3]
Climate change scenario. A climate change scenario is a hypothetical future based on a "set of key driving forces". [1] : 1812 Scenarios explore the long-term effectiveness of mitigation and adaptation. [2] Scenarios help to understand what the future may hold.
Globally, the benefits of keeping warming under 2 °C exceed the costs. [121] Economists estimate the cost of climate change mitigation at between 1% and 2% of GDP. [122] While this is a large sum, it is still far less than the subsidies governments provide to the ailing fossil fuel industry.
The climate and health crises are trapping people in a cycle of poverty and despair. Estimates project that 1.2 billion people will be displaced by climate change by 2050. ... Studies have shown ...
Three of the biggest global health funders have joined forces for the first time in a $300 million partnership aimed at tackling the linked impacts of climate change, malnutrition, and infectious ...
The politics of climate change results from different perspectives on how to respond to climate change. Global warming is driven largely by the emissions of greenhouse gases due to human economic activity, especially the burning of fossil fuels, certain industries like cement and steel production, and land use for agriculture and forestry.
Climate change threatens people with increased flooding, extreme heat, increased food and water scarcity, more disease, and economic loss. Human migration and conflict can also be a result. [12] The World Health Organization (WHO) calls climate change the greatest threat to global health in the 21st century. [13]