About the ratings for 'Barbecuing with sustainable charcoal'

All Bloom actions are rated on CO₂ reduction, popularity, easiness and cost. The methodology behind each rating is defined below, along with further rating information for 'Barbecuing with sustainable charcoal'.

CO₂ reduction

The average emission reduction resulting from this action in the first 12 months, in kilograms or tonnes.

For this action:

Estimates for the amount of carbon emitted by a single kilo of charcoal vary from 10kg (Dr Richard Tipper, Edinburgh Centre for Carbon Management) to 40kg (Forum for Economics and the Environment) of CO₂. If the average British family (of 3.8 individuals, apparently) has nine barbecues a year and each time uses a kilo of charcoal, this generates 24kg to 95kg of CO₂ per individual per year.

Popularity

Number of registered Bloom users who have planted this action seed.

Easiness

How easy it is to complete the action, as rated by registered Bloom users.

Please note: during beta testing, this value has been editorially assigned. When enough users have rated an action, this will represent the average user rating

Cost

Average outlay required to initiate an action in £.

For this action:

A kilo of sustainable charcoal costs about £2, compared to £1.20 for a bag of regular charcoal in a budget supermarket

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