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Green Data: Measuring the Environment
- 2024/08/02
- 再生時間： 35 分
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In this episode we explore how the ONS measures our natural environment and the green economy. Relevant datasets: ONS Environmental Accounts Transcript MILES FLETCHER Welcome again to Statistically Speaking, the official podcast of the UK’s Office for National Statistics. I'm Miles Fletcher and this time we're getting back to nature as we explore the work of the ONS in measuring the economic and social value of the natural environment. Is classical economic growth - as measured by gross domestic product or GDP - always achieved at the expense of the environment? What price can we put on the amenities our environment provides? What is the green economy and what are green jobs? And what are the key data to watch as policymakers strive for net zero carbon emissions, while also seeking to improve national prosperity? Our guides through the rich and perhaps under explored landscape of environmental data are ONS’s Deputy Director for Environmental Statistics Analysis, Ian Townsend; Head of Natural Capital Accounts, Gemma Thomas; and Sophie Barrand, Monetary Accounts lead in the Environmental Accounts team. Welcome to you all. Ian to come to you first. The ONS is mainly known for measuring the economy and the population of the UK. So, what exactly is its role when it comes to the environment? What are we seeking to achieve? What do we do? What do we publish? IAN TOWNSEND So the environment is quite a broad topic that links with a lot of other issues and a lot of different national and devolved government departments and other related bodies producing statistics on the environment. And with all that range of statistics, we tend to focus at the ONS on the intersections between our environment and both the economy and society. This includes measuring what we call the Low Carbon and renewable energy economy, how many green jobs there are, the greenhouse gas emissions produced by different economic sectors, and valuing the services that nature provides to us, as well as providing rapid insights into what people and business think about climate change in the environment and their actions or indeed otherwise. MF And what are the major publications that come out of the ONS that people ought to be looking at to get a sense of what we're saying about the environment and its value? IT So I mentioned a couple in the introduction there - things like low carbon and renewable energy economy, green jobs, etc... and our emissions figures. But perhaps one that is quite worth bringing to the fore is our natural capital accounts. So, it's something we've done for several years, which basically looks at the value that ecosystems provide to nature and ecosystems provide to us, and the services that provides. So, we bring this out as a report every year - have done so for several years - and that looks beyond the economy, beyond gross domestic product, to look at all those natural resources and we found that in 2021, the total value of all those natural assets was around one and a half trillion pounds. It’s such a big figure, I think it can be quite hard for people to grasp. But a useful comparison might be that it's not that far off the 1.7 trillion pounds that homes in the UK were valued at in 2021 as well. MF It's very difficult to arrive at a financial figure or value like that. Can you just give us a brief explanation of how it’s calculated? IT Sure. So, there are internationally agreed guidelines that we follow around how to measure or indeed account for the current value of what natural capital could provide for us and our current and future generations. And all that process, all those guidelines are aligned with how we measure the GDP in the economy. It's really quite a complex exercise and includes things like the value of trees, rivers, peatlands, and many other habitats and natural resources in them. We've been developing and improving these approaches for probably at least 10 years, and probably have some of the most developed accounts in this form globally. Our estimates have improved over the years. But there are some things that we don't cover. So, in a way, this is probably best seen as a kind of partial and minimum value, even though it's already very large. And it's also part of a wider mission that the ONS has to capture the value of what's called missing capital, things that we don't currently measure so well in gross domestic product. So that's including social capital as well as natural capital. So that's called ‘inclusive wealth’ and that's another publication the ONS produces that people might be interested to have a look at. MF And it's important, I guess, to have this economic value of the environment so that can be compared against the traditional measure of economic progress and prosperity, which of course is GDP. And it's sometimes – and we've heard this in other podcasts - because GDP is like...