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.
Why the clean air movement remembers Rahul Bajaj
The first generation transition from highly polluting two-stroke technology to cleaner technology pathways needed committed industry leadership
Union Budget 2022-23: Good step forward but levers needed to make clean air, climate action more real
The spotlight on energy transition, climate action and electrification in the latest Union budget is encouraging; but needs committed strategy …
Catalysing safe design for public spaces should be among the top priorities to make cities safe for women, children and elderly
World freed from toxic leaded petrol: A global win
While global eradication of toxic lead in petrol needs to be celebrated, this also reminds us how tough it is to undo wrong if the evidence of …
India’s vehicles scrappage policy: A step forward but a missed opportunity
An important step forward, but falls short of becoming an instrument of green recovery
Union Budget 2021-22: Clean air in focus — build ambition
The new clean-air funding, a good step forward, will hopefully enable deeper systemic changes for verifiable improvement in air quality
Diwali: Nudge practice of not tolerating personal harm
Festival also reminds us that awareness has to nudge change towards environmentally responsible behaviour to support difficult regulatory action
Biden winning US elections 2020 shows how clean air, climate inaction influence mandate
Joe Biden’s electoral victory proves that democracy can work for science and environmental justice, says Anumita Roychowdhury of CSE
Funds for clean air: Get the blueprint right
Committed funds for clean air action excites hope. Needs strong performance metrics. But there are also risks of underfunding some key sectors of …
Delhi-NCR air quality commission: Order, order to new order
As the new ordinance seeks curtailment of judicial intervention, the executive faces the real challenge of pushing difficult and inconvenient …
Remembering Kirk R Smith (1947-2020)
Kirk leaves us with the power of imagining change and hope
Lethal toxicity vs quantum of pollution in Delhi’s air
Not just quantum of pollution but also toxicity of emissions must be assessed to prioritise action on pollution sources
Earth day musings: Can this pandemic change the idea of a city?
Post-pandemic, the new normal in our cities need to be more humane and inclusive and urban renewal must be designed on a human scale
Cleaner air: Can we go back to ‘normal’?
CPCB’s evidence on nation-wide clean up during the lockdown implies that clean air action has to upscale to new normal
Bharat Stage VI: India leapfrogs today and it is no Fool’s day
Despite the pall of gloom around COVID-19, there is reason to cheer that India has become the only country to leapfrog directly to Bharat Stage …
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 …
COVID-19: Dirty air and vice of the virus
The novel coronavirus pandemic may have lowered air pollution. But this crisis-led change shows how health risk perception makes difficult …
What is COVID-19 signaling about building design for healthy living?
The possibility that our air-conditioned and cooled living spaces may make coronavirus comfortable and spread needs to be well understood to spur …
International Women's Day: Empower to protect the womb and newborn
Transmission of latent toxic risk from air pollution through womb forever is not acceptable
Harmattan and the air we breathe: What can we learn?
The massive climate change-induced dust fall event in west Africa has many lessons for all combating deadly air pollution
How do we know air quality is changing?
Expanding monitoring for more data alone won’t help. Need science, statistical methods for legal reporting on air quality trends, …
Union Budget 2020-21 promises Rs 4,400 cr for clean air; how, where and how soon?
Fiscal promise for clean air action without a blueprint for spending; even after a year of NCAP, output & outcome indicators not available in …
Fight barriers to solutions to clean air
Need solution-driven agenda to build public and political will to overpower resistance from inconvenience of change
Delhi notifies first-ever parking rules to restrain vehicle use, cut air pollution
The rule probibits parking in green areas, parks, footpaths, bus stops and intersections
BSIV muddle in stimulus package for auto-industry
Why Finance Minister Nirmala Sitharaman's stimulus package for auto sector states the obvious that BSIV vehicles registered before BSVI roll out …