दिल्ली में लू: क्या आग में घी डालने का काम कर रहे हैं एयरकंडीशनर

लू के महीनों में बिजली की आधी से ज्यादा मांग के लिए ऑफिसो…

Heatwave in Delhi: Are ACs adding fuel to fire?

Over half the electricity demand during heatwave months can be attributed to need for space cooling at offices, shops, homes

Ghazipur, Delhi: Just why has this landfill been simmering for so long

The reality is that all kinds of waste is being dumped at landfill sites since the system of segregation and recycling is not in place. This …

Glorious oversight: Reviewing our very own epoch

An author’s musings about American pop culture fixtures and privileged way of life presented as a review of the anthropocene

Delhi pollution crisis: The figure of 4-10% for stubble fires is not wrong but irrelevant

There need to be different strategies to address long- and short-term exposure to pollution problems in Delhi. Governments are aware of it, but …

Cities will be too hot to live in future, says new UNEP report

There is a need for a strategic, whole-system approach that realises sustainable urban cooling or rather sustainable urban comfort

Tokyo’s gamble with its Olympic architecture needs to be appreciated

This first of a two-part series examines the use of timber in designing the games village and venues rather than concrete

Tokyo’s gamble with its Olympic architecture needs to be appreciated: Part 2

This second of a two-part series examines the environmental benefits of reusing of old buildings as the games venues rather than constructing new

‘Sick-building syndrome’ fuelling India’s COVID-19 infections

Greed of the air-conditioning industry and architects mean that India’s new buildings don’t get adequate ventilation; now, the Centre …

Forest fires in Uttarakhand: Absence of real-time air quality monitoring plagues Himalayas

Uttarakhand and Himachal Pradesh do not have a single official real-time air quality monitor

Delhi’s air quality and number games

India needs to codify methodologies for processing air quality data to reduce confusion and build confidence in air pollution control measures. 

Similipal fire shines light on dark hole in India’s real-time air quality monitoring network

Most cities do have manual monitoring systems of air quality but related data becomes available only a year later

Counting north India’s stubble fires: Stronger data science needed to study winter smog

Severe smog in north India is a result of an evil alignment of many factors. Whether those factors co-conspire this year, remains to be seen

Counting north India’s stubble fires: How do NASA satellites capture them

Overall, it is safe to assume that even if satellite images do not show a fire, it does not necessarily mean that nothing is burning on the ground

India needs an energy disclosure policy

BEE needs to revisit, revive, and expand its star rating system for all designated consumers, especially buildings. It can’t be kept …

Lockdown 2.0 vs lockdown 3.0: NO2 levels spike in Delhi

A change in 24-hour average between the two weeks showed that the overall weekly average level increased by 19%

Delhi air less toxic amid COVID-19 lockdown

Average PM 2.5 level during 4 weeks of lockdown lowest on record outside monsoon since 2016

COVID-19: What about housing for poor?

Union government’s housing scheme tragets derailed; low-income house buyers face increasingly volatile financial markets 

COVID-19 candle plan: Delhi power demand dropped 37% in 25 min

Delhi’s power demand fell down to 1,257 MW at 9:10 pm from 2,008 MW at 8:45 pm on April 5

Air during COVID-19 lockdown: March’s last week cleanest so far in Delhi

This is the first time since 2016 that March in spring has recorded lowest pollution levels

COVID-19 flattens peak-hour pollution

The flat rates of peak-hour pollution due to the lockdown proves why strong action is needed to reduce traffic volumes and cut tailpipe emissions …

कुंभ के बीच बेचैन करते सवाल

अब समय आ चुका है कि धरती की सबसे महान नदियों में से एक के त…

मलबे के ढेर में दबता देश-1: कानून की नहीं है किसी को फिक्र

देशभर में नई इमारतों के निर्माण और तोड़फोड़ से निकले मल�…

मलबे के ढेर में दबता देश-2: दलदली भूमि पर किया जा रहा है डंप

देशभर में नई इमारतों के निर्माण और तोड़फोड़ से निकले मल�…

मलबे के ढेर में दबता देश-3: दोबारा इस्तेमाल से निकलेगी राह

दिल्ली सरकार ने नगर निगमों को एडवाइजरी जारी की है जिसमे�…