I can distinctly remember the air quality in Delhi improving drastically when the public transportation moved to CNG and the metro started operating in the early 00s. Over time though, the policy of building more roads…
That's an interesting thought. Any papers you'd recommend in particular?
I can distinctly remember the air quality in Delhi improving drastically when the public transportation moved to CNG and the metro started operating in the early 00s. Over time though, the policy of building more roads…
That's an interesting thought. Any papers you'd recommend in particular?