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�…

Will Delhi become a gas chamber again?

The national capital has been in the ‘severe’ AQI category since Diwali night

On Diwali, Delhi-NCR gets season’s first severe pollution episode

CSE’s analysis shows a ten-fold jump in PM2.5 on Diwali evening due to bursting of firecrackers

After Ozone layer, cooling industry now burns the whole planet

It first drilled a hole in the ozone layer and is now damaging the entire environment with large amounts of greenhouse gas emissions

India drowns in construction, demolition debris

Waste is piling up across the country. Regulations are in place, but recycling is yet to gain momentum. Down To Earth breaks down the …

Indian cities are simmering in their own waste heat

Cities in northern plains used to cool down during night, but nowadays they are trapping this heat overnight sending their citizens into a …

Overflowing pitcher of disquiet

It is high time to start investing and investigating ecological cost of holding the Kumbh 

India's National Action Plan on Climate Change needs desperate repair

India's National Action Plan on Climate Change has been slow to start and its sectoral missions are not aligned with the schemes the government …

Yes, Delhi Metro is more unaffordable than the New York City Subway

My own experience shows that the Delhi Metro pinches the minimum survival expense of a well-off Delhite at least twice as hard as the NYC subway …

Don’t get dazzled by these stars

Bureau of Energy Efficiency has just updated star rating standards for refrigerators and ACs, but the Indian rating system, especially for ACs, …

The fault in our stars

ISEER, the new system of rating and labeling ACs that began this year, seems designed to serve industry interest rather than consumer or climate …

Murky science of comfort part 5: Here’s how being mindful is good for the environment

We cannot wish away air-conditioning in today’s world, but we can be reasonable in choosing where, when and how to resort to the energy guzzlers

Debunking science behind 'comfortable' temperature

What is a comfortable temperature? The question seems benign at surface but the answer has far reaching ecological consequences