Effects of climate change on humans in the context of "Polar amplification"

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⭐ Core Definition: Effects of climate change on humans

Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall warming trend, changes to precipitation patterns, and more extreme weather. As the climate changes it impacts the natural environment with effects such as more intense forest fires, thawing permafrost, and desertification. These changes impact ecosystems and societies, and can become irreversible once tipping points are crossed. Climate activists are engaged in a range of activities around the world that seek to ameliorate these issues or prevent them from happening.

The effects of climate change vary in timing and location. Up until now the Arctic has warmed faster than most other regions due to climate change feedbacks. Surface air temperatures over land have also increased at about twice the rate they do over the ocean, causing intense heat waves. These temperatures would stabilize if greenhouse gas emissions were brought under control. Ice sheets and oceans absorb the vast majority of excess heat in the atmosphere, delaying effects there but causing them to accelerate and then continue after surface temperatures stabilize. Sea level rise is a particular long term concern as a result. The effects of ocean warming also include marine heatwaves, ocean stratification, deoxygenation, and changes to ocean currents. The ocean is also acidifying as it absorbs carbon dioxide from the atmosphere.

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Effects of climate change on humans in the context of Climate fiction

Climate fiction (sometimes shortened to cli-fi) is literature that deals with climate change. Generally speculative in nature but inspired by climate science, works of climate fiction may take place in the world as we know it, in the near future, or in fictional worlds experiencing climate change. The genre frequently includes science fiction and dystopian or utopian themes, imagining potential futures based on research about the impacts of climate change and speculations about how humans may respond to these and the problem of climate change. Climate fiction typically involves anthropogenic climate change and other environmental issues as opposed to weather and disaster more generally. Technologies such as climate engineering or climate adaptation practices often feature prominently in works exploring their impacts on society.

The term "cli-fi" is generally credited to freelance news reporter and climate activist Dan Bloom, who coined it in either 2007 or 2008. References to "climate fiction" appear to have begun in the 2010s, although the term has also been retroactively applied to a number of works. Pioneering 20th century authors of climate fiction include J. G. Ballard and Octavia E. Butler, while dystopian fiction from Margaret Atwood is often cited as an immediate precursor to the genre's emergence. Since 2010, prominent cli-fi authors include Kim Stanley Robinson, Richard Powers, Paolo Bacigalupi, and Barbara Kingsolver. The publication of Robinson's The Ministry for the Future in 2020 helped cement the genre's emergence; the work generated presidential and United Nations mentions and an invitation for Robinson to meet planners at the Pentagon.

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Effects of climate change on humans in the context of Ecosystem-based adaptation

Ecosystem-based adaptation (EbA) encompasses a broad set of approaches to adapt to climate change. They all involve the management of ecosystems and their services to reduce the vulnerability of human communities to the impacts of climate change. The Convention on Biological Diversity (CBD) defines EBA as "the use of biodiversity and ecosystem services as part of an overall adaptation strategy to help people to adapt to the adverse effects of climate change".

EbA involves the conservation, sustainable management and restoration of ecosystems, such as forests, grasslands, wetlands, mangroves or coral reefs to reduce the harmful impacts of climate hazards including shifting patterns or levels of rainfall, changes in maximum and minimum temperatures, stronger storms, and increasingly variable climatic conditions. EbA measures can be implemented on their own or in combination with engineered approaches (such as the construction of water reservoirs or dykes), hybrid measures (such as artificial reefs) and approaches that strengthen the capacities of individuals and institutions to address climate risks (such as the introduction of early warning systems).

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