Climate-Change-Induced Human Migration: The Necessity of Collective Global Action

Nawrotzki, Raphael J.; Diaconu, Mioara; Pittman, Sharon

doi:10.18848/1835-4432/cgp/v02i01/40995

Cited by 4 publications

(4 citation statements)

References 12 publications

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“…Climate change has the potential to influence migration drivers through various pathways including adverse impacts on the agricultural sector (Mueller et al ., ) and armed conflicts (Burke et al ., ; Nawrotzki et al ., ). While the agricultural pathway is assumed in most studies on the climate–migration association (Mueller et al ., ), it is rarely tested empirically.…”

Section: Introductionmentioning

confidence: 97%

International Climate Migration: Evidence for the Climate Inhibitor Mechanism and the Agricultural Pathway

Nawrotzki

Bakhtsiyarava

2016

Population Space and Place

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Research often assumes that, in rural areas of developing countries, adverse climatic conditions increase (climate driver mechanism) rather than reduce (climate inhibitor mechanism) migration, and that the impact of climate on migration is moderated by changes in agricultural productivity (agricultural pathway). Using representative census data in combination with high-resolution climate data derived from the novel Terra Populus system, we explore the climate-migration relationship in rural Burkina Faso and Senegal. We construct four threshold-based climate measures to investigate the effect of heat waves, cold snaps, droughts and excessive precipitation on the likelihood of household-level international outmigration. Results from multi-level logit models show that excessive precipitation increases international migration from Senegal while heat waves decrease international mobility in Burkina Faso, providing evidence for the climate inhibitor mechanism. Consistent with the agricultural pathway, interaction models and results from a geographically weighted regression (GWR) reveal a conditional effect of droughts on international outmigration from Senegal, which becomes stronger in areas with high levels of groundnut production. Moreover, climate change effects show a clear seasonal pattern, with the strongest effects appearing when heat waves overlap with the growing season and when excessive precipitation occurs prior to the growing season.

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Section: Introductionmentioning

confidence: 97%

International Climate Migration: Evidence for the Climate Inhibitor Mechanism and the Agricultural Pathway

Nawrotzki

Bakhtsiyarava

2016

Population Space and Place

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“…Although other pathways are possible (e.g., Burke et al, 2009; Nawrotzki et al, 2009), we assume that climate effects lead to migration through negative impacts on the agricultural sector (Mueller et al, 2014). Rural households in Mexico heavily depend on agricultural production for income and sustenance (Conde et al, 2006; Wiggins et al, 2002; Winters et al, 2002).…”

Section: Methodsmentioning

confidence: 99%

Undocumented migration in response to climate change

Nawrotzki¹,

Riosmena²,

Hunter³

et al. 2015

IJPS

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In the face of climate change induced economic uncertainty, households may employ migration as an adaptation strategy to diversify their livelihood portfolio through remittances. However, it is unclear whether such climate migration will be documented or undocumented. In this study we combine detailed migration histories with daily temperature and precipitation information for 214 weather stations to investigate whether climate change more strongly impacts undocumented or documented migration from 68 rural Mexican municipalities to the U.S. during the years 1986–1999. We employ two measures of climate change, the warm spell duration index (WSDI) and the precipitation during extremely wet days (R99PTOT). Results from multi-level event-history models demonstrate that climate-related international migration from rural Mexico was predominantly undocumented. We conclude that programs to facilitate climate change adaptation in rural Mexico may be more effective in reducing undocumented border crossings than increased border fortification.

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“…increasing disasters, sea-level rise, and salinity intrusion are facilitating human migration; either internal or international. In recent There has been a number of studies at the global level on climate change impact and migration (Faist & Schade, 2013;Myers, 2002;Nawrotzki et al, 2009;Singh, 2019). These studies tried to focus on climate-related migration from the socio-economic viewpoint including the significance and importance of utilizing available resources and livelihood, adaptation-related aspects and vulnerability to climate change.…”

Section: Introductionmentioning

confidence: 99%

Perception of people on climate-induced migration issues in coastal areas of Bangladesh

Hasnat

Chowdhury

Abdullah-Al-Mamun

2022

Migration and Development

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Climate change impact is one of the major burning issues all over the world where Bangladesh is one of the most affected areas. The aim of this study was to understand the climate-induced migrationrelated issues in the coastal areas of Chittagong. A total of 120 individual surveys and six key informant interviews were done in six unions of Banshkhali Upazila in Chittagong district. The result showed that agriculture and fishing practices are reducing compared to the past and people are more interested in migrating abroad. Among the six villages, the highest percentage of migration was found to be from the areas closer to the coast compared to others. Despite less awareness on climate change terms, most of the respondents have positively replied to the changes in the frequencies of climatic hazards. Several forms of driver, e.g. environmental, social and political are also discussed. The linear regression showed that the factors which positively influence the peoples' decision to migrate are average family age and social status. The dependency on agriculture, business near coast and fishing has a coefficient of −0.18, −0.36 and −0.24, respectively. Identification of community-based needs is important to ensure safe migration as an adaptation against climate change.

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Climate-Change-Induced Human Migration: The Necessity of Collective Global Action

Cited by 4 publications

References 12 publications

International Climate Migration: Evidence for the Climate Inhibitor Mechanism and the Agricultural Pathway

International Climate Migration: Evidence for the Climate Inhibitor Mechanism and the Agricultural Pathway

Undocumented migration in response to climate change

Perception of people on climate-induced migration issues in coastal areas of Bangladesh

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