(4 weeks, 1 day ago)
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We have talked about how disgusting, and what a public health issue it is to have sewage and other pollution pouring into our rivers, but I want to touch on the ecological damage. In Winchester, a chalk stream, the River Itchen, goes right through the heart of the city. Chalk streams are very rare, with fewer than 210 of them in the entire world, and 85% of them are in southern England. Many of them are designated sites of special scientific interest because their ecosystems and biodiversity are unique. I found out recently that the type of Atlantic salmon found in southern chalk streams are genetically distinct from Atlantic salmon in the rest of the world. Chalk streams have taken millions of years to form, and they can be destroyed in just a few decades by companies that are either breaking the law or working within the law but, because there is such a lack of regulation, causing great environmental damage. That is bad for public health, consumers, prices and the environment.
In my constituency, it is frustratingly clear that Southern Water, which is 82% owned by an Australian investment firm, has been prioritising profit over pollution prevention. It is that simple.
Is the hon. Gentleman aware that the problem is exacerbated by over-abstraction upstream, particularly in chalk streams, which to survive environmentally need water flowing through them throughout the year? Many chalk streams are completely dry for some summer months, and that destroys all fish and all ecological sustainability.
The right hon. Gentleman makes a very important point: it is not simply pollution, but the over-extraction of those environments that is horrendously damaging to chalk streams.
The Liberal Democrats have long been calling for reform to water companies so that they have environmental experts on their boards to ensure they meet their minimum environmental standards before they are allowed to make profits. Putting social and environmental good at the heart of what they do is absolutely necessary to ensure that we are not still talking about how we are struggling with pollution, leaks and a lack of investment in 30 years’ time.
Thank you for calling me to speak in this debate, Mr Pritchard. Protecting our natural environment is one of the top priorities for probably all our constituents.