The lush urban forest in northwest Philadelphia helps cool the city and provides other environmental protections.

We don’t generate power directly from volcanoes, but their presence is a sign that there are good geothermal resources underground that can be tapped.

As summer temperatures rise, finding ways to build cities that don’t hold in the heat and can provide some cooling is increasingly important.

The global average temperature could continue to hover around 1.5°C for several years.

Mapping daily temperature variations across the US revealed stark differences between wealthy and poor neighborhoods, and large differences by race.

A civil engineer explains why roadways and rails warp and crack in the heat − and points to some innovative ways to keep the US transportation system healthy as long as possible.

The global call to action aims to protect the most vulnerable, protect workers, boost resilience and limit further warming to stave off an era of ‘global boiling’.

Record heat, storms and floods reveal new extremes made possible by climate change.

The 2024 Summer Games are going all in on renewable energy, recycled materials and more to shrink their carbon footprint. They’re a test bed for how big events can do better for the environment.

An athletic trainer explains why bodies need time time to acclimatize, and the risks to watch out for.