
Umair Irfan
Former correspondent
Latest articles by Umair Irfan


Sunscreen: Check. Shorts: Check. Air filters?


China may have met an important climate goal — ahead of schedule.


Do you realize how many thousands of balloons it takes to predict the weather?


The attack on climate science continues.


Why early season heat waves are becoming more common and more dangerous.


Computing has a big energy appetite. What does that mean for our climate goals?

Innovation is a resource we can mine.

Where current policies and trends could do real damage to climate progress.

The incredible technology is harnessing the potential of solar and wind — and quietly revolutionizing the energy system.

Climate progress is actually good business.