Category: Your Planet

human footprint

Human Footprint Estimates and Earth’s Resource Depletion

The increasing impact of humans means our consumption far exceeds the Earth’s ability to regenerate.

light pollution

The Runaway Evolution of Light Pollution

Electric light is a wonderful invention but we don’t use it wisely. Light pollution is a serious issue and not just in cities.

indoor air pollution

Indoor Air Pollution and Health

It’s not just the air outside. Indoor air pollution is a major health issue.