Among the options listed, subsidies for renewable energy would be the most effective energy policy to address environmental concerns around pollution and carbon emissions. By providing financial support for renewable energy sources such as solar, wind, and hydroelectric power, governments can encourage a shift away from fossil fuels, reduce reliance on polluting energy sources, and promote cleaner alternatives. This can lead to a decrease in carbon emissions and overall environmental impact.
The other options listed, such as taxes on renewable energy, public works for new oil pipelines, and regulations on wind farms, are less aligned with addressing pollution and carbon emissions effectively. In particular, taxes on renewable energy could discourage its adoption, while supporting oil pipelines would likely exacerbate environmental concerns. Regulations on wind farms could limit the deployment of a clean energy source, depending on their nature.
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