A "livable planet" refers to a planet that can sustain and support life, where people, animals, and plants can live comfortably without harm or danger. Full definition
Regardless of why these things are happening, as the only species on this planet capable of understanding this climatic «catastrophe,» we bear the responsibility of solving it or accomodating the issues we face in order to preserve our civilization, and ensure a safe, livable planet for our descendents. (globalclimatescam.com)
The signature of livable planets, Carl Sagan and others have shown, is likely to be most prominent in the infrared part of the spectrum. (discovermagazine.com)
While we are large GHG producers, we can also have a large impact on reducing GHG production, and contributing to a healthier, more livable planet. (oneregionforward.org)