Banning Fossil Fuel Ads Would Be Legally Difficult in the U.S.
This week U.N. Secretary-General António Guterres called for bans on fossil fuel ads, but legal challenges would make nationwide restrictions difficult to implement in the U.S.
![Banning Fossil Fuel Ads Would Be Legally Difficult in the U.S.](https://static.scientificamerican.com/dam/m/65d577d7091e5c90/original/GettyImages-526936062_web.jpg?w=1200)
This week U.N. Secretary-General António Guterres called for bans on fossil fuel ads, but legal challenges would make nationwide restrictions difficult to implement in the U.S.
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