
Umair Irfan
Former correspondent
Latest articles by Umair Irfan


That fusion announcement is worth getting hyped about, but practical fusion is still a long way off.


Why we shouldn’t give up on reducing the climate impact of sports.


Should coal, oil, and natural gas still be part of the answer for the world’s poorest in an era of climate change?


COP27, the climate change meeting in Egypt, finally got a deal on one of the most critical outstanding issues.


At the COP27 UN climate talks, Biden says America will put “our money where our mouth is.”


Despite a looming ban on gasoline cars, Californians rejected Prop 30, a measure to boost cleaner vehicles.


What can COP27 accomplish as inflation and energy prices soar?


The privatization of the Covid-19 response is well underway as federal funding runs out.


Individual decisions can be a powerful force against climate change, but only if they’re pointed in the same direction.


The US is now committed to phasing out HFCs, a class of powerful greenhouse gases.