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Trade-offs of different land and bioenergy policies on the path to achieving climate targets

机译:在实现气候目标的道路上,不同土地和生物能源政策之间的权衡

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Many papers have shown that bioenergy and land-use are potentially important elements in a strategy to limit anthropogenic climate change. But, significant expansion of bioenergy production can have a large terrestrial footprint. In this paper, we test the implications for land use, the global energy system, emissions and mitigation costs of meeting a specific climate target, using a single fossil fuel and industrial sector policy instrument, but with five alternative bioenergy and land-use policy architectures. These scenarios are illustrative in nature, and designed to explore trade-offs. We find that the policies we examined have differing effects on the different segments of the economy. Comprehensive land policies can reduce land-use change emissions, increasing allowable emissions in the energy system, but have implications for the cost of food. Bioenergy penalties and constraints, on the other hand, have little effect on food prices, but result in less bioenergy and thus can increase mitigation costs and energy prices.
机译:许多论文表明,在限制人为气候变化的战略中,生物能源和土地利用是潜在的重要因素。但是,生物能源生产的显着扩展可能会占用大量的陆地。在本文中,我们使用单一的化石燃料和工业部门政策工具,但使用五种替代性生物能源和土地使用政策架构,测试了达到特定气候目标对土地使用,全球能源系统,排放和缓解成本的影响。 。这些场景本质上是说明性的,旨在探索取舍。我们发现,我们研究的政策对经济的不同部分具有不同的影响。全面的土地政策可以减少土地用途变化的排放量,增加能源系统中的允许排放量,但会影响粮食成本。另一方面,生物能源的罚款和限制对食品价格影响不大,但生物能源较少,因此会增加减排成本和能源价格。

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