Crude oil, coal and gas supply about 85 per cent of the world’s energy consumption. Fossil fuels are valuable as sources of energy because they contain hydrocarbons and other carbon-based materials. The main anthropogenic impact affecting climate change is carbon-based fuel combustion. The initial response to this is to decrease or stop the use of carbon-based fuels, thereby minimizing the effect on environment. Natural gas is a fossil fuel but its combustion emissions from global warming are far lower than those from coal or oil. When combusted in a modern, powerful natural gas power plant, natural gas emits 50 to 60 per cent less carbon dioxide compared to emissions from a conventional new coal plant. A significant CO2 emission is prevented by the classic renewable energy sources, biomass and hydro power. Growing more biomass at relatively low cost will play an immediate role in absorbing excess CO2. Passive solar techniques have tremendous energy saving potential, wind power is the cheapest source of electricity, and solar energy provides good options for long-term substitution of a large amount of fossil fuels. In this paper we will examine the impacts of carbon abatement policies on energy use.
X. ÉVF. 2022. 2. SZÁM 58-61
DOI: 10.24387/CI.2022.2.10
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