But if solar panels are really the key to preventing the CO2-induced collapse of human civilization, why would we hit Chinese solar panels with a tariff?

Commerce Department Announces Small Tariffs On Chinese Solar Panels | ThinkProgress

After months of speculation and debate about unfair Chinese subsidies to domestic solar manufacturers, the U.S. solar industry finally has an answer to one piece of the ongoing trade case: Solar panels imported from China will be hit with a small tariff.