180 likes | 301 Vues
This document discusses the importance of good policy in addressing climate change through sustainable practices. It highlights the costs of various energy sources and the economic impacts of carbon pricing, taxes, and trading. The analysis showcases total electricity costs for different energy sources and emphasizes the necessity of effective policy and urban design to achieve a zero-emission future. Citing the Stern Review, it outlines the critical role of science and economics in motivating change and the potential for returns from sustainable land management.
E N D
Adrian Whitehead Zero Emission Network Climate ChangeGood Policy
Costs Total Electricity Costs (A$/MWh) Coal 35 (70) Natural Gas 40 Hydro 60 Biomass 60 Nuclear 110+ (Not full life cycle costs) Wind 70-80 Photovoltaic 150 Geothermal 20-40 HDR Geo 40-60 (not proven)
Carbon taxes / trading and native forests First cut of E.regnans old growth release on average 400 t/C per ha return to state $6-7K per ha. With a carbon tax costs would increase by: • $10 a ton = $4K per ha • $25 a ton = $10K per ha • $50 a ton = $20K per ha
Why? - science and the risks Source: Largely from Stern Review on the economics of climate change October 2006 Page 195 pdf
Adrian Whitehead www.ZeroEmissionNetwork.org.au