UK countryside must be prepared for climate change so that it supports reduced emissions says CCC

The Committee on Climate Change, which advises the UK Government on climate change and clean energy, has published two linked reports finding that the British countryside is in need of substantial reform so that it can support emissions reduction.
UK countryside must be prepared for climate change so that it supports reduced emissions says CCC
Courtesy of David Wright

The Paris Agreement demands tougher action to remove greenhouse gas emissions from the atmosphere. However, at the same time, the UK must prepare for the inevitable climate change that is already happening while reforming the countryside so that current methods of using the land are changed in favour of reducing greenhouse gas emissions.

The UK Government’s advisory committee on climate change, the Committee on Climate Change (CCC), has published two linked reports on this matter.

‘Land use: Reducing emissions and preparing for climate change’ finds that fundamental reform is required to ensure land becomes a more effective carbon store. The critical services the UK receives from the land; clean water, healthy soils, wildlife, timber and food, are threatened by a warming climate. Government can address these concerns, while ensuring sufficient food production for an increasing population and space for new homes.

‘Biomass in a low-carbon economy’ considers the role of biomass – wood, plants and organic waste – in the global strategy to tackle climate change. Biomass can play an important role in meeting the UK’s long-term (2050) emissions targets, and moving towards net-zero emissions, but only with stricter governance to ensure sustainable supplies. Current UK energy uses will need to change.

There is now an opportunity, especially through the new Agriculture and the Environment Bills, to define a better strategy for land in the UK to meet the goals of the UK Climate Change Act.

Climate change impacts are already altering the land’s use, while the services provided by the natural environment are being degraded. Average UK temperatures have risen by 0.8°C over the last forty years; with nine of the ten warmest years for the UK occurring since 2002. Loss of soil fertility, biodiversity and peatland degradation are now apparent, in large part driven by intensive food production. Projections of future UK climate suggest further warming, sea level rise, periods of heavier rain leading to greater risks from flooding as well as reduced water availability in summer. Despite some opportunities, the negative impacts on our soils, water, vegetation and wildlife are likely to be significant.

Land is a critical natural resource, but past policies governing the use of UK land have been fragmented and incomplete. Under the Common Agricultural Policy and its predecessors, food production has been rewarded over other services that the land can provide. Change provides the opportunity to maximise the use of land as a natural store for carbon and as a regulator of natural hazards such as flooding.

New land-use policy must promote radically different uses of UK land to support deeper emissions reductions and improve resilience to climate change impacts. This includes increased tree planting, improved forest management, restoration of peatlands, and shifts to low-carbon farming practices, which improve soil and water quality. These will help to reduce flood risk and improve the condition of semi-natural habitats such as woodlands and wetlands.

Alternative uses of land can be economic for farmers and land managers, but Government must provide help for them to transition. Assistance is needed with skills, training and information to implement new uses of land. Support for high up-front costs and financing to aid that transition are also required. Land managers must have better access to information about the impacts of a changing climate.

The Committee also finds an important role for biomass in reducing and removing UK emissions, but only if certain critical criteria are met. It recommends:

The UK should aim to increase the volume of carbon stored in our forests and land. The supply of sustainable biomass harvested from UK sources should also increase. Government must increase tree-planting from 9000 hectares per year on average to 20,000 hectares by 2020 and 27,000 hectares by 2030, and extend this further to 2050. This should go alongside planting energy crops on low-quality land.

Food and biodegradable waste must be collected separately from other refuse in all areas across the UK. By 2025, no biodegradable waste such as food, paper, card, wood, textiles and garden waste should be sent to landfill.

Rules governing the supply of sustainable sources of biomass for energy need to be improved. Without sustainable land management practices and careful control of ‘lifecycle emissions’, use of biomass for energy production can have a worse impact on the climate than the ongoing use of fossil fuels. The long-term role of biomass imports to the UK must therefore depend on improved regulation of their supply. High-GHG sources (for example, tracts of forest harvested just for energy) should be clearly regulated out of use and better practice encouraged, such as the use of organic waste.

The UK must lead a global shift towards improved monitoring and reporting techniques of biomass stocks (e.g. using satellite data) and use a broader range of policy levers (e.g. trade and development policy, standards, procurement and finance rules).

Biomass must be used in the most effective way. Uses that enable long-term carbon storage should be prioritised. The use of biomass must not exceed the levels of sustainable material that are currently available. Steps should include a substantial increase in the use of wood in the construction of buildings, the development of key technologies including carbon capture and storage, the phasing out of large-scale biomass power plants that do not capture and store their emissions, phasing out biofuel use in cars and vans in the 2030s, and supporting the use of biofuels in aviation (up to 10 percent of demand).

“Land is our most precious natural asset but the way we use land in this country needs fundamental reform” said Lord Deben, Chairman of the Committee on Climate Change (CCC). “We must ensure our use of land helps to reduce the emissions that are warming our atmosphere. We must also improve the resilience of the land to climate change. New legislation on agriculture and the environment provide us with a unique opportunity to reward land owners and farmers for actions such as tree planting, restoring peatlands and improving soil and water quality. We need a new conversation about the role that biomass can play in helping to meet the UK’s climate change targets. If supply of biomass is more strictly governed, its use can be sustainable and it can play an essential role in reducing emissions, locking away carbon in plants and soils. Unsustainable supplies of biomass have no place in our future energy mix.”

Commenting on the CCC reports, Charlotte Morton, Chief Executive of the Anaerobic Digestion & Bioresources Association (ADBA), said:

“ADBA welcomes these two important reports from the CCC. With regard to land use, the CCC is absolutely right about the need for fundamental reform to ensure land becomes a more effective carbon store. Anaerobic digestion (AD) plants produce nutrient-rich, natural fertiliser that helps to restore organic matter and NPK and lock carbon into soils, and the AD industry would like to see greater recognition from government of how this can help to improve the health of the UK’s soils. Use of AD on farms also supports the CCC’s call for low-carbon farming practices through allowing farmers to recycle their manures and slurry into renewable energy and natural fertiliser.

We also welcome the CCC’s recognition of the importance of organic waste and energy crops (where grown sustainably) in meeting the UK’s long-term emissions targets. The CCC is absolutely right that the government should continue to support AD deployment to ensure that the industry can make the maximum possible contribution towards tackling climate change. An important part of this is recycling inedible food waste, and we echo the CCC’s call for separate collection of food and biodegradable waste in all areas across the UK. We hope to see more action from government on this in the forthcoming Resources & Waste Strategy.”

The findings of the CCC’s reports will be discussed in detail at the ADBA National Conference 2018 on 11th December.

For additional information:

Committee on Climate Change (CCC)

Anaerobic Digestion & Bioresources Association (ADBA)

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