Climate Shifts Push Millions to Indian Cities, Exposing Major Labour Law and Urban Gaps

Environmental pressures such as floods and failed rains are driving people from vulnerable regions into Indian cities in search of work, creating an urgent crisis for labour laws and urban planning. Tamil Nadu recorded 34 lakh inter-state workers in the 2011 census, with current estimates reaching 35 lakh, though only about 15 lakh are registered on the state portal. Major industrial hubs like Chennai, Chengalpattu, Coimbatore, Hosur, and Tiruppur rely heavily on this workforce. Tiruppur alone counts 2.1 lakh registered workers, while trade unions estimate the actual figure is closer to 3 lakh.

Workplace Realities

Many arriving workers face low wages, unwritten work agreements, unsafe conditions, and lack basic social-security benefits. People working in unskilled roles across factories, mines, and transport face severe risks of exploitation. Women encounter major safety and sanitation hurdles, and families moving repeatedly cause disruptions to their children's schooling.

Urban Pressure

This influx places heavy stress on city infrastructure, including housing, drinking water, waste management, public health, and sanitation facilities. Growing urban populations also add to air and noise pollution while straining municipal services that struggle to keep up. While the Occupational Safety, Health and Working Conditions Code of 2020 acknowledges inter-state workers, major concerns persist regarding proper registration, actual benefit access, and holding employers accountable.

Context

Climate migrants fall into a legal grey area because they are neither traditional refugees nor standard economic migrants, sitting instead at the intersection of climate action, labour policy, and human rights. Countries like New Zealand and Australia have introduced climate-specific visas for displaced Pacific Islanders, highlighting how nations handle cross-border movement, whereas India faces a distinct internal inter-state migration challenge. Effective solutions require combining robust legal protections with practical local enforcement, drawing lessons from international gig worker regulations where pay rules alone failed to boost earnings without proper oversight.