Robert Kunzig

Three years after a devastating fire, the iconic Paris cathedral’s restoration honors its medieval roots—and the once vilified architect who saved the church in the 1800s.

Two experts explain why they think warming is on people’s minds more and what the public can do to help curb climate change.

By making us more aware of the nature around us, COVID-19 lockdowns could inspire us to fight back against climate disaster.

Tied to a pier in Philadelphia for 20 years, the rusted, stripped, but still majestic S.S. United States could return to service as a luxury cruise ship.

The vision of a “circular economy”—where we use resources sparingly and recycle endlessly—is inspiring businesses and environmentalists alike.

In the face of plummeting insect and bird populations, citizens in the south German state are trying to make farmers preserve habitat.

The physics of ice predicts that sea level will rise twice as much by the end of the century as previously estimated.