How to Choose Wildlife-Friendly Outdoor Lighting for Your Home
Outdoor lighting is often brighter and more widespread than it needs to be—costing us starry
skies, wasting energy, and disrupting local wildlife. But with a few thoughtful choices,
homeowners can enjoy safe, effective lighting that’s also kind to the environment.
1. Choose Fixtures That Point Light Downward
Typical globe-style fixtures or exposed bulbs scatter light in all directions, contributing to glare
and skyglow. Instead, opt for shielded fixtures that direct light downward, illuminating only the
areas you need. This reduces light pollution and makes outdoor spaces more comfortable to
navigate at night.
2. Go Amber (or At Least Warm White)
Bright white or blue-toned lights can harm night-flying insects and confuse wildlife. Look for
bulbs with a Kelvin rating between 2200K and 2700K for a warm amber or orange glow that’s
easier on eyes—human and animal alike.
3. Use Lower-Lumen Bulbs
You might not need as much brightness as you think. Shielded fixtures paired with lower-lumen
bulbs (less intense light) can effectively light your walkways or porches without overwhelming
your surroundings.
4. Only Light What You Need, When You Need It
Ask yourself: is this light necessary? Motion sensors, timers, and smart controls can help ensure
that lights are only on when needed. This reduces energy use and minimizes disruption to local
wildlife.
5. Look for Long-Term Opportunities
If a fixture swap isn’t in the budget right now, keep these dark-sky-friendly principles in mind for
future renovations. Even small changes, over time, make a difference.
As physics professor and DarkSky advocate Vayujeet Gokhale puts it: “Good lighting is fine.”
With thoughtful design, your lights can serve their purpose while helping preserve the natural
nighttime world.