Remove Clean Energy Remove Fossil Fuels Remove Nitrogen Oxides
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Fossil Fuels Must Go: Re-inventing US Transportation

Union of Concerned Scientists

To adjust the focus of this picture a little closer, just our passenger cars and light trucks contribute to a whopping 58 percent of total transportation emissions, placing our car-centric society in the fossil fuel spotlight. Petroleum has accounted for more than 90 percent of transportation energy in the last 50 years.

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We Need an Agreement to Phase out Fossil Fuels at COP28

Union of Concerned Scientists

It’s not just the poor air quality, long lines, and excessive fossil fuel company representation ; nations are still too far apart in their positions on a fossil fuel phaseout, the top priority for this COP. Yet global fossil fuel production and use continue to expand. Particulate matter (PM2.5)

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Good News—and Bad—about Fossil Fuel Power Plants in 2023 

Union of Concerned Scientists

With the clean energy transition already under way, the US electricity mix is set to continue changing this year. Solar power is expected to make up about half of all additions of US electric generating capacity in 2023, according to data from the US Energy Information Administration (EIA). I’ll start off with the good.

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Ask a Scientist: The US Has to Do More to Meet Its Carbon Emissions Reduction Goals

Union of Concerned Scientists

The legislation committed nearly $400 billion to support, among other things, wind and solar power, battery storage, electric vehicles, and other clean energy technologies that will make a significant dent in US heat-trapping emissions. It also will save US consumers money because they will spend less on fossil fuels.

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If the US Meets Its Climate Goals, We Can Save Money and Lives

Union of Concerned Scientists

Communities and ecosystems continue to suffer the consequences of human-caused climate change , primarily from the burning of fossil fuels across our economy. The case for phasing out of fossil fuels and making a just and equitable transition to clean energy has never been more clear. Sources of PM 2.5

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Ask a Scientist: Gas Plants Disproportionately Harm Marginalized Communities

Union of Concerned Scientists

Gas plants and infrastructure emit nitrogen oxides (NOx) during combustion, which degrade local air quality. VY: Clean energy sources will be absolutely pivotal for an equitable and reliable grid. How can we make sure the decisionmaking process for a clean grid transition is equitable? First, there’s air pollution.

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A 100% Renewable Energy Future is Possible, and We Need It

Union of Concerned Scientists

The shift from fossil fuels in the 100% RES scenario reduces the amount of harmful air pollution from power plants much more than in our “No New Policy”/business-as-usual scenario. Just as important, cleaning up the power grid can also decrease carbon dioxide (CO 2 ) emissions. And our modeling shows renewables’ power.