Writing the summary…
Fuel leak spreads more than two miles along River Taff
Source: BBC Science
Original reporting
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Free clear-up has big engagement on social media
One man's battle against weeds and overgrown pathways makes a big difference to the town
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Pony herd gathering raises money for air ambulance
Kristina Auckland said the herd was made up of around 100 ponies.
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How to see the Orionid meteor shower
One of the best-known meteor showers peaks this week and will remain active until 7 November.
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Seal pups spotted at nature reserve for 12th year
Two pups have been recorded at South Walney, home to Cumbria's only breeding grey seal colony.
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Corby metal pollution may harm people, says study
However, the Environment Agency says it has not found evidence that could cause significant harm.
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Two damselfly species return to restored woodland
A three-year project to restore woodland at seven nature reserves is completed.