You are given a sentence in Spanish. Your job is to translate the Spanish sentence into English.

Input: Consider Input: Este desequilibrio, si quisieramos estabilizar el clima, implica que debemos reducir el CO2 de 391 ppm, partes por millon, a 350 ppm.

Output: This imbalance, if we want to stabilize climate, means that we must reduce CO2 from 391 ppm, parts per million, back to 350 ppm.

Input: Consider Input: Y esa ambicion valiosa se convirtio en su estrella polar.

Output: And that worthy ambition became his lodestar.

Input: Consider Input: Y la mayoria ni siquiera sabe que existen.
Output: And most folks don't even know they exist.