Blog: Netas, We Want Bijli, Sadak, Paani - And Swachh Hawa

Chetan Bhattacharji | Tuesday January 09, 2018

Here are my suggested 10 resolutions for cleaner air

Blog: Delhi, We Can Beat This Smog. 7 Steps, Get Started Now

Chetan Bhattacharji | Wednesday November 08, 2017

The pollution problem is big but is fixable with a mix of policy, political will, and micromanagement by residents at their home and neighbourhood level.

Blog: PM Modi, This Diwali, Why Not Appeal for Swachh Air?

Chetan Bhattacharji | Friday October 06, 2017

One hopes the Prime Minister changes his Diwali message from last year. Study after study shows that children are most susceptible to airborne pollutants - PM 2.5 i.e. particulate matter 30x less than a hair's breadth.

Blog: What These Fires On The Map Mean For Delhi

Chetan Bhattacharji | Wednesday April 19, 2017

Farm fires are expected to peak over the next few weeks sending air quality plummeting.

Blog: Dear Supreme Court, We Need Another 500-Metre Ban

Chetan Bhattacharji | Thursday April 06, 2017

The ban on the sale booze anywhere within 500 meters of a state or national highway has led to a lot of outcry. But there's another "500-metre" order with which the Supreme Court could save lives.

Blog: Diesel Has To Be Our Public Enemy No.1

Chetan Bhattacharji | Thursday November 03, 2016

Diesel exhaust is one of the deadliest, ambient air pollution we are closest to.

Blog: Odd-Even Isn't A Failure. But Kejriwal Is Wasting A Big Opportunity.

Chetan Bhattacharji | Tuesday April 26, 2016

He's done it correctly once, now's the time to move beyond Odd-Even and not lose momentum.

Blog: Odd-Even Shows A Big Change For We, The Polluters

Chetan Bhattacharji | Saturday January 09, 2016

A week into Delhi's Odd-Even trial, it's obvious the scheme won't bring down pollution single-handedly. Science makes it clear factors like temperature, wind, humidity, etc affect air quality.

Blog: Why Stop At Banning Diesel Cars? More, Please

Chetan Bhattacharji | Thursday December 17, 2015

Ambient pollution is not a Delhi problem alone. The air quality index reports danger levels many times the health limit across North India. From the plains of Punjab to Bihar, that's roughly 400 million people.

Blog: Are My Children Adequately Warned of Danger in Polluted Delhi?

Chetan Bhattacharji | Thursday December 03, 2015

India's "poor" warning begins above an AQI of 200 and says breathing discomfort could be caused to most people on prolonged exposure. There is no separate warning for children. What stands out is that the US warning doesn't differentiate between healthy or unhealthy kids.

Opinion: All Together Now, With or Without Paris

Chetan Bhattacharji | Saturday November 28, 2015

Anyone reading this - in English on a phone/tablet/computer - most likely has a lifestyle that will need more than just one Earth to sustain if all seven billion people followed it. Mine, to my shock, was over four planets. Carbon Footprint tests are easily found on the net and are good and guilty fun.

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