Executive Director - Research and Advocacy and head of the air pollution and clean transportation programme, campaigns for clean air and public health, Centre for Science and Environment.
Idea of regulating comfort for energy efficiency
First-ever push for thermal comfort standard for buildings shifts focus from only energy efficiency of mechanical cooling systems to thermal …
Three-wheel powered solution to dirty air
Quintessential three-wheeler autorickshaws slated for unrestricted free run in Delhi-NCR can be a disruptive clean mobility solution across India
Volkswagen scandal: India must fix responsibility on manufacturers
For emission fraud, only penal action will not be enough; need regulations to fix accountability
National Clean Air Programme: Good idea but weak mandate
The much-awaited plan should not be top-down, it should create room for tighter action
Three-wheeled devil on diesel
Diesel three-wheelers designed to emit more than diesel cars must go off the road to cut toxic exposure
Why Indian automobile industry needs to walk extra to clean up toxic emissions
By jumping from BSIV to BSVI, India's not allowing vehicle manufacturers extra time to sell the stock of unsold BSIV vehicles
Kolkata's smog is a challenge of complex chemistry and action
The city needs to build up on its strengths to tackle smog episodes
Toxic air attacks wombs and cradles in India, kills 12 kids every hour
The WHO study is a wake-up call for the government to act as it shows an undeniable link between air pollution and major health risks
One-time parking charge: A vision or a nightmare for Delhi?
Stop isolated measures of legalising lifetime parking rights to public spaces for a pittance. Notify the draft parking rules and guidelines to …
Heat and dust
Do not dismiss dust fall event only as an act of god. Crack down on dust sources and push for green walling and vegetative barrier across the region
Remote Sensing: Smart policing of emissions on-road
India needs smarter and effective policing of emissions on road to reduce public health risk
Diesel cars: Market shuns the Devil’s engines
Public health concern finally bends the sales curve of diesel cars. India aligns with the global trend
Electric shock to diesel
It is wiser to get off the diesel route quickly and adopt electric mobility. Is India listening?
Dirty air dooms Indians to early death
New analysis of global burden of diseases shows very high rate of increase in early deaths from particulate and ozone pollution. Over a quarter …
We have missed the bus again
Government lost the opportunity of using fiscal signals to discourage polluting technologies and fuels
Don’t get obsessed with technical fixes; cut pollution
More than the technology prowess, it is important to follow the basic principles of public health protection which demands control of pollution …
Diwali: dark underbelly of light
The choking haze of pollution in the city leaves no room for poisonous fumes from crackers—Chinese or Indian. Do not reduce festival of …
Diesel emissions control: Set ethical boundaries
Internet retailing is peddling defeat devices to disable diesel emissions control systems globally. Without regulations to stop this practice, …
Need ‘Sin’ tax within GST to prevent more sins
As GST reforms excite market, fiscal correction to curb pollution and energy impacts of new growth must remain the priority
Why this 'Transit-Oriented Debacle'?
Amendments proposed by DDA threaten to go back to exclusionary planning, congestion-inducing street management and urban-scape without …
Are signs on the wall signalling the death of diesel cars?
Mayors of 20 European cities have signed a petition to the European Union denouncing a loophole in diesel cars’ pollution limits
Why odd-even system can bring back the glory of bus transport
One can call it environmental injustice or incentive for pollution, public bus transport is more taxed than private vehicles
Health will finally be the focus of air pollution control
The reason why everyone is lost in the number game over pollution is because health is the missing link in the conversation
“Don’t touch my car” syndrome at cost of our health
It is ironical that the city has paced up action on commercial and public transport vehicles in the city – trucks, buses, autos and taxis &…
Smog and health of aam aadmi
The mandate is clear. Delhi will have to fulfill the 12th Five Year Plan target of meeting the ambient air quality standards by the end of the …
.jpg "Why Indian automobile industry needs to walk extra to clean up toxic emissions")
.jpg "Smog and health of aam aadmi")