Umair Irfan
Former correspondent
Latest articles by Umair Irfan
But is the state ready to reimagine its power grid?
Exxon will now have to turn over internal documents about its knowledge of climate change.
The dire consequences of having fewer days below freezing, explained.
2019 will be a year of investigations.
Zinke made his mark opening huge swaths of public lands to fossil fuel interests and still faces numerous ethics investigations.
Three big trends are helping us address the climate crisis: better technology, cheaper technology, and more ambitious policies.
Fat bears, a new kilogram, and the stunning power of trees: our favorite science stories from 2018.
Immigrants aren’t a disease risk. Neanderthals weren’t necessarily savages. Juul isn’t cool.
Toxic pollution standards save up to 17,000 lives per year, but the EPA wants to change how it measures the benefits.
Basic answers to basic questions about global warming and the future climate.