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You haven't added Greenbook to your profile yet!

Click here to install Greenbook and start reducing CO2!

How It Works

Installing the Greenbook application generates money through advertising, which is used to buy rice. So now we are doing our part for the planet :)

Calculations

  1. Each month we use funds generated through sponsorship to purchase an amount of CO2 reduction.
    For example, 15,000 lbs.
  2. Each day we'll give some of that amount out to everyone who's added Greenbook.
    15,000 lbs / 30 days = 500 lbs/day
  3. Every user gets a fraction of the daily amount, based on how many users we have.
    500 lbs/day / 1000 users = 0.5 lbs/day/user.
    This is called a 'Nightly Update'. So basically, just by keeping Greenbook installed, you are earning CO2 reductions. You have the option of reducing more CO2 than just from the Nightly Updates.
  4. The more users we get the bigger amount we'll be able to purchase when we start the next month and go back to step 1.

Basically, the gist of it is: Every day, as someone who's added Greenbook, you get some CO2 reduction which means you'll be doing your part in helping the environment in one other way!

Still have questions? Visit our FAQ page. You can also obtain more information about our REC supplier or see our past and present purchase documents for CO2 reduction.