By Matt Petronzio for Mashable

PARIS, France — The Earth has a strong and simple message for us: If we can’t take care of it, it can’t take care of us.

That’s what our planet says in a new short film, Home, which environmental organization Conservation International aired at the Momentum for Change Awards on Thursday during the U.N. Climate Summit in Paris, also known as COP21.

Home is an extension of Conservation International’s #INeedNature campaign, which stresses nature’s vital role in our lives and livelihoods. It’s narrated by actress Reese Witherspoon, who achieves an impressive balance between calm and stern in her voice — very apt for the subject matter.