Showing results for: Carbon sinks and sequestration
This paper finds that a global shift to vegan diets by 2050 could allow sequestration of 332–547 GtCO2 - equivalent to or greater than the remaining emissions budget for having a 66% of limiting global warming to 1.5 °C. Meat reductions in line with the EAT-Lancet Commission’s recommendations could also lead to significant carbon sequestration.
This paper reports that reforesting areas of land in the UK currently used for sheep grazing could be an economically viable strategy for farmers, using payments for carbon sequestration from people or businesses who want to offset their emissions The paper argues that sheep farming in the UK is not profitable without subsidies, which currently account for over 90% of sheep farm income.
In this paper, FCRN member Michael MacLeod reports that global aquaculture produced around 0.49% of global greenhouse gas emissions in 2017 - a similar quantity to the emissions from sheep meat production. When emissions are measured per kg of edible product, the paper finds aquaculture to have low emissions intensity relative to meat from goats, cattle, buffalo and sheep and similar emissions intensity to meat from pigs and chickens.
FCRN member Susannah Fleiss is the lead author of this paper, which finds that setting aside areas of forest (conservation set-asides) within oil palm plantations plays a vital role in storing carbon and boosting rainforest biodiversity within plantations.
This report from US climate NGO Carbon180 examines barriers that farmers in the United States face when moving towards agricultural practices that build soil health and sequester carbon. It finds that they include insufficient technical assistance, scientific knowledge gaps, and a lack of strong and reliable incentives.
This paper reviews the evidence base around using soil organic carbon as a climate change mitigation measure. It notes that such climate solutions encompass both increasing soil carbon in soils that have not reached their maximum possible carbon content, and conserving carbon in soils that already have a high carbon content (thus avoiding losses that might otherwise have taken place).
FCRN member Helen Harwatt has co-authored a letter calling for high- and middle-income countries to incorporate four commitments on livestock, emissions and land use into their commitments for meeting the emissions reductions of the Paris Agreement.
According to this study of oil palm plantations in Colombia, converting pasture to oil palm plantation is almost carbon neutral, because declines in soil organic carbon are offset by gains in oil palm biomass over a period of several decades. The authors argue that planting oil palm on former pasture land is preferable to converting rainforest to plantations, as regards greenhouse gas emissions.
This paper modelled the food system changes in Europe that would allow enough afforestation, reforestation and avoided deforestation to meet European climate targets while also providing enough food. Most scenarios relied on significant yield improvements and reductions in meat consumption.
This commentary argues that there is scientific consensus on the need to build soil organic carbon because of benefits such as resistance to soil erosion, higher fertility and resilience to drought. The authors note that these benefits of building soil carbon are being obscured by high-profile disagreements on the separate question of whether or not building soil carbon may help to mitigate climate change.
This report from the UK’s Committee on Climate Change (CCC) sets out the UK’s current progress towards its climate goals. It finds that, since June 2018, the UK government has only delivered 1 out of 25 essential policies needed to cut emissions and only 7 out of 24 progress indicators are on track.
This report by James O’Donovan, chair of the Cork Environmental Forum, outlines the potential environmental, social, and economic benefits of a transition to a vegan agricultural system in Ireland.
This paper maps the potential for restoring forests across the world, finding that there is room for a 25% increase in forested area without interfering with existing forests or urban and cropland areas. This could store 205 Gt of carbon after several decades (for comparison, current emissions from fossil fuels and cement production are roughly 10 Gt of carbon each year).
This report from UK charity Rewilding Britain argues that rewilding peatlands, heathland, native woodlands, saltmarshes, wetlands and coastal waters in the UK could sequester carbon and also produce other benefits such as flood mitigation, enhanced biodiversity and water quality improvement.
The UK Parliament has endorsed a motion to declare a climate and environment emergency, in response to the 2019 Extinction Rebellion protests and calls from the Labour opposition. The motion, which is not legally binding, follows declarations of a climate emergency by the Welsh Government, Nicola Sturgeon, First Minister of Scotland, and several cities across the UK.
This report from the UK think tank Green Alliance sets out how the UK could bring its land use emissions to net zero. The actions proposed include ecosystem restoration, planting new areas of woodland, capturing carbon in soils, and reducing demand for meat and dairy.
This report from the UK’s Office for National Statistics estimates the value of ten ecosystems services provided by natural capital in Scotland. Information on agricultural biomass (including fish capture) and carbon sequestration may be of particular interest to FCRN readers.