HS2 has polluted environment by accidentally releasing huge quantity (1,600m3) of a potentially highly polluting bentonite slurry...
https://www.building.co.uk/news/hs2-loses-vast-quantity-of-highly-polluting-clay-into-chalk-aquifer/5113695.article
Scheme being carried out in Chilterns
https://www.building.co.uk/news/hs2-loses-vast-quantity-of-highly-polluting-clay-into-chalk-aquifer/5113695.article
HS2 loses vast quantity of ‘highly polluting’ clay into chalk aquifer
www.building.co.ukScheme being carried out in Chilterns