What Is Net Zero and Why Is It Important?
 Topic: climate change |  Read Time: 8 mins |
 Landowner type:Independent landowners | Institutional landowners | Professional advisers |  Energy:Hydroelectric | Landfill gas | Offshore wind | Onshore wind | Solar |
20th June 2025If you’ve been wondering ‘what is net zero?’, then you’re not alone. As the UK grapples with the urgent realities of climate change, this term is becoming central to how we talk about our energy systems, land use and future planning. Join me as I uncover exactly what this term means and why it’s important.
Net zero is more than just a climate buzzword. It’s a target that’s reshaping how the UK generates energy, uses land and plans for the future. But what exactly does ‘net zero’ mean? And why’s it becoming increasingly important?
To explain it simply, net zero means achieving a balance between the greenhouse gases we emit and those we remove from the atmosphere.
However, this isn’t as simple as it may seem. It involves a monumental shift in how we produce and consume energy, manage resources and think about our environmental impact. It’s not just about reducing emissions, but also about how we balance those emissions with the efforts to remove them from the atmosphere.
In this blog, I’ll take a closer look at why net zero is such an important target for the UK. I’ll also cover the challenges we face and how renewable energy will play a critical role in helping the country get there. Along the way, I’ll explore the ever-increasing opportunities for landowners and investors in this evolving landscape.
What Does Net Zero Actually Mean?
As I mentioned earlier, net zero refers to the balance between the greenhouse gases we emit and those we remove from the atmosphere, so that our total emissions are effectively zero.
Net zero was outlined officially in the 2016 Paris Agreement at the UN Climate Change Conference, with 195 parties pledging to its terms. Its overall goal is to limit global temperature rises to 1.5 °C.
The earth has warmed approximately 1.2 °C since the 1800s, and temperatures are on track to climb as much as 2.7°C by 2100. That figure will stand if we’re looking at the general effect of current global policies and don’t continue to improve our efforts to halt climate change.
To stay on track, we’re aiming for a 45 per cent reduction in emissions by 2030, with a full net zero target set for 2050. That’s not just a policy ambition – it’s a necessity to avert the most dangerous impacts of climate change.
This doesn’t mean that the UK (or any other countries aiming to hit net zero limits) will stop all emissions overnight. But it does mean reducing emissions as much as possible across energy, transport, industry, agriculture and any general day-to-day operations.
In tandem with this, participating countries are also aiming to offset any emissions by reforesting areas and investing in technologies like carbon capture and storage at the same time.
Why Is Net Zero So Important?
From record-breaking heatwaves and droughts to more intense storms and flooding, countries around the world are seeing increasing disruption to daily life, public health and biodiversity.
If we don’t take action, these issues will intensify and pose serious risks to infrastructure, food security and the natural environment.
Let’s take a closer look at what the UK is currently dealing with when it comes to climate change.
Extreme heat and droughts
In July 2022, the UK recorded its highest-ever temperature of 40.3 °C in Coningsby, Lincolnshire. This extreme heat event led to widespread disruptions, including transport cancellations, infrastructure damage and health emergencies.
Such temperatures would have been extremely unlikely without human-induced climate change, according to the World Weather Attribution group. These increased temperatures alter rainfall patterns and degrade soil, which can even increase pest exposure and affect pollinating processes across the country.
To make things even more problematic, we’re dealing with considerably less rainfall than usual. If we take spring 2025 as a mere example, it’s been notably dry and sunny. The UK experienced just over half the expected rainfall in April. Some regions (like the Thames area) received only 13 per cent of its average precipitation.
With reservoir water levels dwindling in England, there’s also genuine concerns of droughts hitting the country in 2025 and beyond.
Increased storms and flooding
In the first quarter of 2025, UK home insurers faced a record £226 million in weather-related claims. This surge is attributed to severe storms like Storm Éowyn, which was the most powerful windstorm in over a decade.
The Association of British Insurers is urging the UK government to invest at least £1 billion annually in flood defences. This is becoming especially important as climate change increases the frequency and intensity of extreme weather.
Biodiversity loss and food security
A new comprehensive map developed by Defra reveals that 80 per cent of England’s peatlands are dry and degraded.
Healthy peatlands are crucial for carbon storage, water quality, flood mitigation and biodiversity. Major soil degradation compromises all of this, which in turn exacerbates climate change impacts and threatens various species.
The UK’s Progress Toward Net Zero
Alterations to the Climate Change Act 2008
In June 2019, the UK made history by becoming the first major economy to legally commit to achieving net zero greenhouse gas emissions by 2050.
This landmark decision involved amending the Climate Change Act 2008. This brought the nation’s ambition for reduced emissions from an 80 per cent reduction target to a full net zero goal.
This commitment aligns with the UK’s obligations under the Paris Agreement. By setting a legally binding net zero target, the UK demonstrated its resolve to contribute meaningfully to global efforts in combating climate change.
However, having such a dedicated commitment to reaching this goal means that the country is certainly under the microscope. This makes meeting our obligations even more important.
Making solid frameworks for accountability
To ensure the country is making adequate progress toward net zero, the UK has implemented a series of five-year carbon budgets.
These budgets aim to cap the total greenhouse gas emissions that are allowed over each period. They’re also legally binding, which means the government is required to stay within them or risk legal and political consequences.
The government sets the budgets based on advice from the Climate Change Committee (CCC). This committee evaluates the latest in climate science, economic modelling and technological advancements to recommend what level of emissions reductions are achievable (and generally necessary).
There have been six carbon budgets released to date, with the Sixth Carbon Budget from 2021 being particularly significant. It commits the UK to slashing emissions by a whopping 78 per cent by 2035 compared to 1990 levels. This budget also included international aviation and shipping to get a clearer, fuller picture of the UK’s overall emissions.
The UK met its first three carbon budgets that ran from 2008 to 2012, 2013 to 2017, and 2018 to 2022, respectively. But, unfortunately, the CCC predicts that the UK is not on track to meet its fourth and fifth budgets without major policy changes.
This is because the country is currently making insufficient progress to decarbonise heat, experiencing delays in energy efficiency improvements and struggling to implement transport electrification.
So, we still have a fair way to go here.
Reinforcing global climate leadership through COP26
During the UK’s presidency of COP26 in Glasgow (November 2021), global momentum for climate action reached new heights.
The summit concluded with the Glasgow Climate Pact, which called out the need to reduce coal power and eliminate inefficient fossil fuel subsidies. It also touched on the urgency of limiting the global temperature rise to 1.5 °C and made it even clearer that we need to make immediate emissions reductions to meet net zero obligations.
The UK also introduced the Glasgow Breakthrough Agenda. This aims to make clean technologies the most affordable and accessible choice worldwide by 2030. It covers sectors like power, road transport, steel, hydrogen and agriculture.
Now, the COP26 didn’t close the emissions gap entirely. But it marked a key moment of global consensus on the need for urgent action, and was one that placed the UK at the forefront of the international effort toward net zero.
How Renewable Energy Projects Can Help the UK Achieve Net Zero
Reaching net zero by 2050 isn’t just a matter of turning off fossil fuel taps. It requires a bold transformation of how we produce, use and manage energy around the globe.
I believe that renewable energy is the beating heart of this transformation and our best shot at reaching net zero obligations while securing the UK’s energy independence.
From the windswept coasts of Scotland to the solar-powered rooftops in London, clean energy projects are slowly reshaping the UK’s energy landscape – and fast.
Decarbonising the energy sector
But what exactly does the UK need to focus on to hit net zero limits by 2050? In my opinion, decarbonising the energy sector is the core of the challenge.
In 2023, electricity and heat production still accounted for nearly a quarter of the UK’s greenhouse gas emissions. Luckily, renewable energy offers a powerful solution to this exact problem.
By replacing coal, oil and gas with solar, wind, hydro and other clean energy sources, we can dramatically cut emissions and reduce our reliance on foreign oil and gas. As importing our energy significantly drives up overall prices, it’s a win-win scenario.
This isn’t to say that we’re not making excellent progress in this department. Renewables generated more than 50 per cent of the UK’s energy makeup for four consecutive quarters between 2023 and 2024. And according to the National Energy System Operator (NESO), this accounted for an average of 51 per cent during 2024.
The UK is also the world’s second-largest offshore wind market, with gigawatt-scale projects like Dogger Bank and Hornsea helping to power millions of homes.
While we’re still making strides with onshore wind after Labour’s 2024 announcement, progress is slightly slower in this department. However, as more projects get approved, it’s hoped that the UK’s energy mix will tip more firmly toward renewables.
The importance of making the National Grid more resilient
But it’s not just about generating green electricity – it’s about using it intelligently.
Renewable energy projects are increasingly integrated with advanced technologies like:
- Battery storage: Stores surplus energy for use during peak times or when the sun isn’t shining and the wind isn’t blowing.
- Smart grids: Responds to supply and demand in real time, reducing waste and balancing local energy systems.
- Demand-side response: Enables homes and businesses to shift their energy use to align with renewable availability.
These innovations turn renewable energy into a 24/7 powerhouse, and not just a fair-weather friend.
A Vision for a Brighter Future
Reaching net zero by 2050 is one of the most significant undertakings in UK modern history. It will require consistent effort, cross-sector collaboration and a willingness to rethink how we produce and consume energy. Climate change is already having a tangible impact on our environment, infrastructure and economy, and it’s clear that delaying action is not an option.
But while the challenges are substantial, so are the opportunities. At Lumify Energy, we believe that landowners have a vital role to play in the UK’s journey to net zero. And we’re here to help them make the most of it. Our mission is to turn underutilised land into engines of clean energy and long-term income that will serve both the landowner and the environment.
We’re here to help you uncover the true potential of land for a renewable energy project. But we don’t stop at an assessment. We’ll guide you through the entire process of getting a project on your land and help you secure fair and future-proof lease agreements. We’ll also uncover missed payments on existing project sites and ensure you’re getting the best possible returns from your developer.
If you’re looking to make the most of your land while aiding net zero efforts, get in touch. We’ll be more than happy to assess your land and get you started off on the right foot with confidence.
Subscribe to
Helping you to get the most from the project on your land
