CL
Climate: Past, Present & Future

Pravash Tiwari

Pravash Tiwari is a Postdoctoral Scholar at the School of Environment and Spatial Informatics, China University of Mining and Technology (CUMT), Xuzhou, China. He holds a doctoral degree in Environmental Engineering from CUMT, where his thesis focused on quantifying black carbon radiative forcing within the core-shell Mie framework optimized by ground and satellite observations. He has served as the Early Career Researcher member of the Scientific Steering Committee of the International Global Atmospheric Chemistry (IGAC) project and a vice chair for Early Career and Postgraduate Committee (ECPC) of the Atmospheric Environmental Remote Sensing Society (AERSS) of China.

Why the Same Soot Can Warm One City and Cool Another

and July 20, 2026
Why the Same Soot Can Warm One City and Cool Another
Graphical abstract of the study. Authors' courtesy

Every time something burns incompletely —whether in a car engine, a factory furnace, a cooking fire, an agricultural field set alight after harvest, or a vast wildfire sweeping through savanna grasslands— tiny particles of black carbon are released into the atmosphere. You might know these more simply as soot. These particles are so small that thousands of them laid side by side would barely stret ...[Read More]