Here are the climate-related sections of speeches by MPs during the Commons debate Environment Bill (Seventeenth sitting).
00:04 Daniel Zeichner (Labour)
That is essentially the issue: we are talking about the long term. I am sure the Minister will explain in a moment the logic for the Government’s 30-year proposal, but this takes us back to the basic point about how serious and ambitious we are about embedding these changes for the future. There will be little point to the provisions if they do not work in practice. For instance, if someone gets rid of a pond that has been in place for hundreds of years, with all the richness in biodiversity it has developed, and replaces it with another pond nearby, that replacement could be let go after 30 years. Our concern is that the provisions do not give the necessary strong support. The danger is that too short a period could simply see the biodiversity gains swiftly lost. Thirty years sounds like quite a long time, but when one bears in mind that we are already two years down the line from the 25-year environment plan and that politics does not always move at a frightfully great pace, it is not hard to imagine things moving quickly and those gains being quickly lost. If biodiversity gains are to properly contribute to the 25-year environment plan commitments to a nature recovery network and to provide carbon sequestration, which is so crucial to our net zero targets, these areas must be secured and maintained for the long term, because only through that kind of approach will we secure long-term nature recovery.
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14:48 Dr Whitehead
I want to add a few thoughts to the excellent introduction to the clause from my hon. Friend the Member for Cambridge. This issue has a considerable relationship to not only biodiversity gains generally but our targets under climate change legislation.
Part of the purpose of a number of the biodiversity gains that may arise as a result of putting percentages on biodiversity gain is not only to make a little gain but to actually sequester what is in that gain. That sequestration should and will count towards the carbon balance, so far as getting to net zero is concerned. We will discuss, when considering a new clause later in Committee, the whole question of what to do about planting trees over a period of time and how the planting of those trees leads, as those trees mature—my hon. Friend alluded to this—to substantial gains in net negative emissions, which are absolutely essential for reaching a net zero target in the future. The assumption would be that the carbon embedded in those trees is permanently placed on the carbon account as a negative input, because it has been effectively sequestered by the trees. That means not only that we can get to net zero, but that the whole question of net negative in the net zero equation is an essential starting point, and without that net negative input, there is no way we will get to net zero by 2050. As we in this House have all agreed, 2050 is the proper target, although we would like net zero to be achieved sooner in this country as far as emissions are concerned.
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14:51 Rebecca Pow
I welcome the acknowledgment by hon. Members of the importance of long-term maintenance of biodiversity gain sites to ensure that we provide long-lasting benefits for wildlife and communities and for climate change, as was ably referred to by the hon. Member for Southampton, Test. There are, however, practical reasons why we should keep the minimum requirement to a 30-year duration. We need to create the right habitats in the right places for wildlife. Increasing the minimum required duration of maintenance might dissuade key landowners from volunteering their land for gains. Agreements made for perpetuity would also risk creating permanent conditions or obligations to maintain particular types of habitat, when future changes in climate or ecological conditions might make a different type of habitat more suitable. The Bill leaves space for flexibility.
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14:58 Daniel Zeichner (Labour)
Perhaps I was overly gushing in my praise for the 25-year environment plan at the beginning, but I was seeking to make a broader point, which is that in too many cases we have stepped back. This is a case in point. The Minister, in explaining the logic behind the 30 years, has raised more concerns in people’s minds than she might have allayed. I am grateful to my hon. Friend the Member for Southampton, Test for linking this issue to sequestration and our necessary attempts to achieve net zero by 2050. He seems to me to be absolutely right; we need these improvements.
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