the government is planning to scrap rules which require house builders to prove new developments won't cause pollution to nearby rivers. rishi sunak says the change will allow 100,000 new homes to be built in england by 2030, but campaigners warn vital safeguards will disappear, maintaining river quality and wildlife habitats. here's helen catt. they should be busy building homes on the st giles park development near norwich. but four months ago work stopped. the construction workers were let go. 201 homes had already been built, but the developers couldn't get the go—ahead for another 149 on the remaining land. because of rules on water pollution. for the local council, which owns the land, it's frustrating. on sites like this, when you can't build homes, you're materially affecting the ability for people to get a roof over their head and you're actually driving the price of the homes that are available even higher