 The rule was first proposed in 2016 under the Obama administration, but it was withdrawn during the Trump administration. The new proposal follows last month's Supreme Court ruling that's expected to make it easier to challenge federal regulations. Fox's Tonya J. Powers. Montana's Supreme Court hears arguments today in a youth climate change case. 16 kids sued in 2020 over some state policies they say are responsible for perpetuating use of fossil fuels. I'm Chris Foster, Fox News.