25 ideas about #earth have been added on IdeaMill.
Anyone who believes in indefinite growth on a physically finite planet is either mad, or an economist!
Coined by the great Sir David Attenborough. Read more
Like traffic wardens but mechanised and in orbit. Spots pollution and issues... Read more
Inviting university students to come up with ideas that help make innovations... Read more
Choose to use the bone as a hammer or a musical instrument... Read more