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GreenLetter

GreenLetter XIII: Building the Roadmap for India's High-Efficiency Ceiling Fan Market

GreenLetter XIII: Building the Roadmap for India's High-Efficiency Ceiling Fan Market

India has 585 million ceiling fans in use today. By 2037–38, that number crosses 950 million. GreenTree and NRDC India spent the recent year building CF30 — a strategic roadmap to ensure that growth doesn't compound India's energy burden. The roadmap was released in March 2026.

GreenLetter XII: Building Climate Resilience Through Thermal Comfort and Cool Roofs

Extreme heat is pushing India's most vulnerable communities to the edge. GreenTree's thermal comfort programme across Nagpur, Bhubaneswar, and Puri demonstrates how low-cost passive cooling interventions

Green Letter XI 2026 | Volume 5 | No. 1

GreenLetter XI: From Plans to Performance

From green blueprints to real-world performance explore how observability, BLDC fans, and smart systems are mitigating business risks in sustainability.

Observability Systems for better performance in Green Buildings

Observability in Sustainability

Sustainable buildings promise efficiency but without measurement, promises go unverified. Explore how observability bridges design intent and operational reality on India's path to net-zero.

GreenLetter X: Air Pollution & Climate Change

GreenLetter X: Air Pollution & Climate Change

Dear Reader, Air pollution is no longer an abstract environmental concern; it is a public health emergency reshaping India’s future. With 99 per cent of the global population exposed to unsafe air and 7 million premature deaths annually linked to air pollution, the crisis demands immediate action. India ranks

GreenLetter IX : Power Sector and DSM

GreenLetter IX : Power Sector and DSM

Dear Reader, Do you know that India is the third-largest producer and consumer of electricity globally? It has an installed power capacity of 442.85 GW as of April 30, 2024. The power sector is a key contributor to a country's economic growth. With electricity demand expected to rise by

GreenLetter VIII : Urban Heat Islands in India

GreenLetter VIII : Urban Heat Islands in India

Dear Reader, We all know that India experienced one of its worst heatwaves ever in 2024. Heatwaves are now the biggest threat to India's well-being. Record-breaking temperatures of over 48°C in the North, West, and Central regions highlight the severity of the climate crisis. As an example see Delhi's