Agriculture and allied sectors contribute nearly 18 per cent to India’s GDP, employ over 40 per cent of the country’s workforce and remain the primary source of income for a majority of rural households. Yet, the sector today operates under sustained climate stress. Between 2015 and 2021, India lost 33.9 million hectares of crops to excess rainfall and another 35 million hectares to drought. These figures reflect not only environmental volatility, but also the growing need for climate-resilient agricultural infrastructure.

As climate risks intensify, World Environment Day - fall on June 5 - is increasingly about building systems that can help communities adapt to rising heat and resource stress. In agriculture, one of the most overlooked opportunities lies directly above us.

The roof is where this infrastructure gap is both most visible and most correctable.

The hidden cost of heat

Across rural India, storage structures, livestock shelters, processing sheds, and farmhouses are commonly built with roofing materials that absorb and retain solar radiation. Conventional metal sheet roofing, widely used across agricultural structures, can exceed surface temperatures of 50 degrees Celsius during peak summer months. This heat transfers directly into the spaces below, accelerating spoilage in stored produce, increasing stress in livestock, and reducing the working capacity of farm labour during the most intensive agricultural periods.

For small farmers, heat stress is not an abstract climate concern. It directly affects productivity, storage losses, livestock health and household income.

Ultra-cool roofing offers a practical response through high solar reflectance and thermal emittance. Instead of absorbing incoming solar radiation, these surfaces reflect a significant portion of it while releasing absorbed heat back into the atmosphere. The result is lower indoor temperatures without dependence on mechanical cooling systems.

Technologies such as solar reflective coatings are increasingly making these solutions more adaptable for rural infrastructure applications, particularly across rooftops and wall surfaces exposed to prolonged heat conditions.

This distinction carries direct economic value. India loses an estimated 30 to 40 per cent of horticultural produce annually to post-harvest spoilage, with a substantial share occurring before produce reaches cold-chain infrastructure. According to Nabard estimates, access to better cooling and storage conditions can improve farmer income realisation by 15 to 20 per cent. Passive cooling interventions such as ultra-cool roofing can therefore become an accessible and scalable way to improve storage outcomes for smallholder farmers who cannot afford refrigerated infrastructure.

The environmental implications extend beyond individual farm structures. Buildings linked to the agricultural economy contribute to India’s carbon footprint through energy-intensive cooling systems where they exist, and through heat absorption across densely built rural settlements. High-reflectance roofing surfaces can help lower ambient temperatures, reduce cooling energy demand, and create a smaller lifetime carbon footprint compared to conventional alternatives.

What appears to be a roofing decision is increasingly becoming a climate resilience decision.

Building climate-ready rural infrastructure

The barriers to adoption are real. Price sensitivity among small farmers remains significant, awareness around performance roofing materials is limited, and supply chains in semi-urban and rural markets continue to evolve. However, these challenges are not insurmountable. Government initiatives supporting agricultural infrastructure already provide financing pathways that can make higher-performance materials more accessible.

Equally important is building awareness around why material specifications matter. The conversation must move beyond generic sustainability claims and focus on measurable outcomes: reduced spoilage, improved livestock conditions, better worker comfort, lower energy dependence and stronger income resilience for farming communities.

India is expanding rural infrastructure at an unprecedented scale through warehouses, food processing facilities, storage networks, and agricultural value chains. The material choices made during this phase of development will shape how resilient this infrastructure remains through decades of rising temperatures and climate uncertainty.

In a warming world, agricultural resilience may depend as much on the quality of rural infrastructure as on the quality of seeds and soil. Climate adaptation will not be driven by policy alone. It will also be shaped by the infrastructure and material decisions India makes today.

The author is Managing Director and CEO of BirlaNu

Published on May 31, 2026