The latest research tells us that 350 parts per million of CO2 in the atmosphere is the upper most limit to which irreversible damage occurs to the earth.

We have already passed this number but it's not too late to lower it... yet.

A huge global campaign is swinging in to effect and it's not just the activists and scientists pushing to lower our emissions below the 350 line. In the US businesses, governments, schools, politicians and churches are starting to embrace this new target and it will hopefully catch on in the rest of the world soon too.

The 350 campaigners envision their aim to be met by evolving into a totally clean energy economy.

Check out this educational film by the team at Free Range Studios for a more visual preview of what the 350 campaign is all about.