Umair Irfan
Former correspondent
Latest articles by Umair Irfan
Container ships are major polluters and a tough challenge for the global climate. Some companies think they have the solution.
Automakers, industries, and governments are betting on hydrogen again. Will it work this time?
The latest UN climate report suggests the world has to end new fossil fuel infrastructure to meet current goals.
The tricky work of seeking, sequencing, and sharing viruses around the world.
A Hong Kong doctor explains the critical weak point behind the city’s spike in Covid-19 deaths.
Why countries with strong Covid-19 policies are now getting hammered.
The complicated ways climate change affects migration, explained.
The world could take steps to prevent this from happening again.
The case for cautious optimism for the US.
What Vox reporters took away from Biden’s State of the Union address.