how does climate change affect the economy of south africa?
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Findings include the following: Tourism may be affected due to a loss of habitats and biodiversity, and due to changes in temperature, humidity and malaria risk, and represents the biggest potential economic loss since tourism contributes as much as 10% of GDP.
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In 2019, climate change contributed to extreme weather events causing at least $100 billion in damages. By 2050, cumulative damages from climate change may reach $8 trillion, impoverishing the world as a whole by 3% of GDP and the poorest regions by more.
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In addition to increasing global temperatures, the impacts of climate change include extreme weather events such as drought, hurricanes and rising sea levels. ... In addition to increased rates of disease and degraded habitats, climate change is also causing changes in species themselves, which threaten their survival.
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Climate change is likely to have a mixture of positive and negative impacts on different parts of the food system, depending on the interplay between gradual temperature increase, extreme weather events, the CO2 fertilisation effect, changes in water availability, economic effects (e.g. trade), demographics and ...
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Recent literature illustrates the economic and social challenges facing cities around the world as a result of climate change including energy shortages, damaged infrastructure, increasing losses to industry, heat-related mortality and illness, and scarcity of food and water. These challenges are interrelated.
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This process is called ocean acidification. Climate change will affect coral reef ecosystems, through sea level rise, changes to the frequency and intensity of tropical storms, and altered ocean circulation patterns.
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But climate change is also affecting what we eat. With warmer temperatures and more pests, farms will produce less food. And farmers will have to work harder to grow what food they do bring to harvest. Some crops might even be less nutritious.
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Climatic factors greatly influence Africa's agriculture, which is considered the continent's single most important economic activity. Agriculture employs two-thirds of the continent's working population and contributes 20 to 60 percent of every country's gross domestic product (GDP).
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Answer: Climate change is affecting the habitats of several species, which must either adapt or migrate to areas with more favourable conditions. Even small changes in average temperatures can have a significant effect upon ecosystems.
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The effect of climate change on vegetation is expected due to changes in the temperature, rainfall, and climate pattern as a result of which nutrient cycles, microbial activities, as well as physiological activities of plants will vary. Changes in precipitation may change moisture regimes.
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But scientists say that the impacts of climate change—higher temperatures, extreme weather, drought, increasing levels of carbon dioxide and sea level rise—threaten to decrease the quantity and jeopardize the quality of our food supplies.
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Climate change also alters the life cycles of plants and animals. For example, as temperatures get warmer, many plants are starting to grow and bloom earlier in the spring and survive longer into the fall. Some animals are waking from hibernation sooner or migrating at different times, too.
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Changing climate affects ecosystems in a variety of ways. For instance, warming may force species to migrate to higher latitudes or higher elevations where temperatures are more conducive to their survival.
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Climate change affects food production and availability, access, quality, utilization, and stability of food systems. In short, it impacts all aspects of the food system. Extreme weather-related disasters are increasing and reduce the yields of major crops. Higher levels of CO2 reduce the nutritional value of crops.
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According to the IPCC (2007), agricultural productivity will decline from 21% to 9% by 2080 due to climate change in sub-Saharan Africa. The report indicates that rising temperatures in precipitation are likely to reduce the production of stable food by up to 50%.
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The Ministry for the Environment says the greatest effect of climate change is likely to be on New Zealand's water resources, with higher rainfall in the west and less in the east. Extreme climate events such as droughts could become more frequent in eastern areas, with increased flooding after major downpours.
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Mining infrastructure is vulnerable to changes in climate and weather, for example: Climate change has the potential to affect buildings and built structures, slope stability, tailings and water retention structures, and site hydrology2.