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Fossil-fuel phase-out is the largest part of limiting global warming as fossil fuels account for over 70% of greenhouse gas emissions. [50] In 2020, the International Energy Agency said that to meet the goals of the Paris Agreement, the phase-out of fossil fuels would need to "move four times faster". [ 51 ]
Deaths caused by use of fossil fuels such as oil (areas of rectangles in chart) greatly exceed those resulting from production of renewable energy (rectangles barely visible in chart). [ 45 ] Some harmful impacts of petroleum can be limited to the geographic locations where it is produced, consumed, and/or disposed.
Burning fossil fuels: Burning oil, coal and gas is estimated to have emitted 37.4 billion tonnes of CO 2-eq in 2023. [34] The largest single source is coal-fired power stations, with 20% of greenhouse gases (GHG) as of 2021. [35] Land use change (mainly deforestation in the tropics) accounts for about a quarter of total anthropogenic GHG ...
While challenges are slowing down the development cleaner combustion fuels are being use in motor vehicles. As of now Delhi Transport Corporation is the world's largest operator of CNG bus fleet. Many Indian cities are testing out with cleaner fossil fuels mostly CNG fuel and renewable biofuels such as biodiesel and E85 blended petroleum.
Fossil fuel divestment or fossil fuel divestment and investment in climate solutions is an attempt to reduce climate change by exerting social, political, and economic pressure for the institutional divestment of assets including stocks, bonds, and other financial instruments connected to companies involved in extracting fossil fuels.
The chart at right attributes anthropogenic greenhouse gas emissions to eight main economic sectors, of which the largest contributors are power stations (many of which burn coal or other fossil fuels), industrial processes, transportation fuels (generally fossil fuels), and agricultural by-products (mainly methane from enteric fermentation and ...
[268] [269] A 2023 study estimated that fossil fuels kill over 5 million people each year, as of 2019, [270] by causing diseases such as heart attack, stroke and chronic obstructive pulmonary disease. [271] Particulate air pollution kills by far the most, followed by ground-level ozone. [272]
Natural gas is often described as the cleanest fossil fuel, producing less carbon dioxide per joule delivered than either coal or oil, [50] and far fewer pollutants than other fossil fuels. However, in absolute terms, it does contribute substantially to global carbon emissions, and this contribution is projected to grow.