You can contribute to the world by sharing images and photos you have taken with creative commons licenses.

The following websites enable this sharing:

CCO licenses

• https://www.pexels.com/ CC0
• https://stocksnap.io/ CCO
• http://negativespace.co/ CCO
• http://cupcake.nilssonlee.se/ CCO
• https://pixabay.com/ CCO
• https://unsplash.com/ CCO
• https://hdfreewallpaper.net CC0