The climate change impacts

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The climate change impacts

Climate change and agriculture Depending on underlying assumptions, studies of the economic impacts of a doubling in atmospheric carbon dioxide CO2 from pre-industrial levels conclude that this would have a slightly negative to moderately positive aggregate effect i.

Other sectors[ edit ] A number of other sectors will be affected by climate change, including the livestockforestryand fisheries industries. Other sectors sensitive to climate change include the energyinsurancetourism and recreation industries.

The aggregate impact of climate change on most of these sectors is highly uncertain Schneider et al. In Africa, coastal facilities are economically significant.

In a literature assessment, Desanker et al. In literature assessment, Nicholls et al. Compared with developed countries, the protection costs associated with projected sea level rise were found to be relatively higher for developing countries.

New opportunities for trading and shipping across the Arctic oceanlower operational costs for the oil and gas industry, lower heating costs, and easier access for ship-based tourism, were expected to bring economic benefits.

In a literature assessment, Mimura et al. Other systems and sectors[ edit ] Freshwater resources: In this sector, costs and benefits of climate change may take several forms, including monetary costs and benefits, and ecosystem and human impacts, e.

In a literature assessment, Kundzewicz et al. Predicted costs included the potential need for infrastructure investments to protect against floods and droughts. Industry, settlements and society: In a literature assessment, Wilbanks et al.

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According to Tolroads, airport runways, railway lines and pipelines, including oil pipelinessewerswater mains etc.

With low confidence, Smith et al. It was thought possible that some of the positive impacts of climate change had been overlooked, and that adaptive capacity had possibly been underestimated. Some of the studies assessed by Schneider et al. Stern assessed climate change impacts using the basic economics of risk premiums Yohe et al.

The climate change impacts

The study by Stern has received both criticism and support from other economists see Stern Review for more information. IPCC a concluded that "Aggregate estimates of costs mask significant differences in impacts across sectors, regions and populations and very likely underestimate damage costs because they cannot include many non-quantifiable impacts.

In the second revision he says "The IPCC discussion of this figure offers some useful cautions about interpretation: Losses accelerate with greater warming, and estimates diverge.

The new estimates have slightly widened the uncertainty about the economic impacts of climate. Welfare impacts have been estimated with different methods, ranging from expert elicitation to econometric studies and simulation models. Different studies include different aspects of the impacts of climate change, but no estimate is complete; most experts speculate that excluded impacts are on balance negative.

Estimates across the studies reflect different assumptions about inter-sectoral, inter-regional, and inter-temporal interactions, about adaptation, and about the monetary values of impacts.

Aggregate estimates of costs mask significant differences in impacts across sectors, regions, countries, and populations. Relative to their income, economic impacts are higher for poorer people.Sea levels are rising and oceans are becoming warmer. Longer, more intense droughts threaten crops, wildlife and freshwater supplies.

From polar bears in the Arctic to marine turtles off the coast of Africa, our planet’s diversity of life is at risk from the changing climate. Climate change poses a fundamental threat to the places, species and people’s livelihoods WWF works to protect.

The climate change impacts

Climate change is already having a significant impact on ecosystems, economies and communities. Increased risk of drought is just one factor to consider. Climate change is having serious impacts on the world’s water systems through more flooding and droughts. Warmer air can hold a higher water content, which makes rainfall patterns more extreme.

Rivers and lakes supply drinking water for people and animals and are a . This page is being updated. Thank you for your interest in this topic. We are currently updating our website to reflect EPA's priorities under the leadership of President Trump and Administrator Pruitt. Global climate change has already had observable effects on the environment.

Glaciers have shrunk, ice on rivers and lakes is breaking up earlier, plant and . Latest news and information from the World Bank and its development work on Climate Change. Access facts, statistics, project information, development research from experts and latest news about Climate Change.

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