Chelsea Leu

Chelsea Leu is a former editorial intern at Sierra.

How Solid Waste Is Doing You a Solid

Who knew clean energy could be so dirty?

By Chelsea Leu October 13, 2014

In this story: animals, health, clean energy, clean water, science

Cow posteriors

How Green Spaces Are Saving Humanity

It’s like the Giving Tree, but in real life.

By Chelsea Leu September 19, 2014

In this story: health, urban planning, science, lifestyle

Park bench on a summer day