About the ratings for 'Building a natural swimming pool'

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 'Building a natural swimming pool'.

CO₂ reduction

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

For this action:

Cement, a key ingredient of concrete, is produced by heating limestone and clay together to almost 3,000°F. As a result, about 130kg of CO₂ are emitted per tonne of concrete. The average concrete pool uses approximately 70 tonnes of the stuff. Building a natural pool using recycled construction materials can cut your emissions by more than nine tonnes.

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 £.

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