Enough is enough

For over a week after Diwali, Delhi breathed poison. Air pollution peaked to unprecedented levels. Public anger forced emergency measures. But …

Flawed, but accepted

Pollution board report blames LPG for particulate matter, spares vehicles

Four-stroke complements CNG

Converting two-stroke autorickshaw engines to CNG not wise

Diesel: when bad policy makes for toxic hell

India didn’t need to let power producers emit more of deadly oxides of nitrogen; here’s why

Limiting NOx emission at 300 mg / Nm3 is doable, claims Finnish state-owned Fortum Oyj; Environment ministry relaxed norms to 450 mg / Nm3 in October

Experts flag dilution of NOx emission limit for coal-fired power stations

The SC on July 8 relaxed limits for coal-fired power stations commissioned between December 2003 and 2016 — to 450 mg / Nm3 from 300&…

Highest in 650,000 years

Smog has to be cleared

How India is getting gas and coal policy wrong

Science and Technology - Briefs