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Climate change is rendering some of our most beloved landscapes unrecognizable. How can awe and wonder cultivated on the trail help us navigate the earth’s transformation?

Here’s the environmental impact of a pair of sneakers, and a look at a few companies making the running shoe industry more sustainable.

Rising temperatures, extreme weather, degraded air quality, and ravaged ecosystems could hold catastrophic consequences for endurance sports.

A new study reveals that rising temperatures are having a real impact on marathon times.

The waste that comes from athletic gear and apparel is a structural problem, but individual actions still matter

Here’s what we know about the Mosquito Fire, how local communities are being affected, and what Western States 100 race organizers are doing to respond

Here are a handful of stellar eco-forward innovations that trail runners and race directors can add to their tool belts 

These plant-based and recycled-material running shoes are stylish, comfortable — and not ready to be your daily trainers.

I signed up for the On Cyclon subscription running-shoe service and get a perfectly clean new pair every three months

How some race organizers are making changes to become more sustainable, and 3 ways you can make a difference.

From wildfires to car traffic, all runners should be aware of the air quality before working up a sweat.