How much CO2 should you be saving? While anything is better than nothing, current scientific theory is pretty specific. Although the planet can safely absorb one tonne of CO2 emissions per person, each person in the UK currently emits an average of 11. If you do the monthly Green Things and keep doing them and start to do some of the things in the 'Do More' pages, you can get close to halving that.

And if enough people become part of Green Thing, then the Green Thing community can begin to encourage governments and business to do the Green Thing too and that will bring CO2 emissions per person down even further.

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