Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising temperatures are once again causing the world’s oceans to turn green.

This Earth Day, celebrate our planet and promote sustainability with printable Earth Day bookmarks to color. Whether you’re coloring them yourself, sharing them with others, or using them as ...

Download free printable Earth Day posters to spread awareness! Perfect for classrooms, home, and events. Easy to print, fun ...

Before plants ruled, Earth may have glowed violet. The first life forms used retinal instead of chlorophyll, absorbing green light and reflecting red and blue—turning the planet an eerie purple.

Choose from Earth Layers Vector stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection Essentials ...

Boy Character Environmental Clean Up. Cartoon Vector Illustration, Clip Art Color vector illustration of kids activity coloring book page with pictures of kids doing housework by throw away rubbish.

Your challenge is to tell us the location of the satellite image and why it is interesting.