Megacities are projected to rise in numbers from ten in 1990 to more than 41 by 2030. Low lying ozone is a pollutant and a key component of smog, a familiar problem in cities around the world.
Abstract: Surface ozone levels spiked during the summer of 2019 in Delhi. As ozone is harmful to crops and human health, this peculiar rise in its levels indicates a need to monitor ambient ozone levels over a longer period so as to put evidence-based control regulations in place.
The authors are Professor and Research Scholar, School of Environmental Sciences, JNU, New Delhi, respectively. umeshkulshrestha@gmail.com. The article should be cited as Kulshrestha U. & Mishra M. , 2019. Ozone Pollution from Urban Sources, Geography and You, 19(23): 30-35
India’s coastal regions, stretching thousands of kilometers, are on the frontlines of a creeping environmental crisis—saltwater intrusion. Unlike cyclones or tsunamis, this is a disaster that doesn’t...
Heatwaves in India have evolved from seasonal anomalies to one of the country’s most pressing climate emergencies. While the meteorological understanding of heatwaves has advanced significantly, facil...
The oceans, covering over 70 per cent of the Earth’s surface, have long been perceived as infinite reservoirs of resources. However, with the escalation of climate change impacts and pressures from hu...
Heatwaves are no longer episodic extremes but are increasingly becoming a structural feature of India’s climate landscape. Globally, nearly half a million people die each year from heat-related causes...