Umair Irfan
Former correspondent
Latest articles by Umair Irfan
High-speed trains already compete with planes in many parts of the world. They also have far lower carbon emissions.
Friday’s Google Doodle honors the German chemist on his 225th birthday.
It was also one of the most expensive for disaster damages in the United States, according to NOAA.
New research shows that melting ice will lead to more trapped heat in some regions and colder temperatures in others.
Why wildfires, hurricanes, and floods cost us hundreds of lives and billions of dollars last year.
President Trump should see climate change as an opportunity, not something to ignore.
Leaky homes are energy hogs. Home energy audits can reveal how much.
The polar vortex is increasing demand for natural gas for heating, constraining its supply.
Answer: it’s complicated.
PG&E faces billions of dollars in liability from wildfires exacerbated by rising temperatures and drought.