Commentary The human race has made immense progress in dealing with the reality of climate change. If you wish to characterize the ongoing collisions between mankind and climate as a war, humans are winning that war. It’s time to retire the phrase “existential threat” when discussing climate change. While there’s more yet to be done, many commendations are due for successful steps already taken. Schools should stop teaching gloom and doom to our children. It’s time for all of us to be optimistic about climate change. You wouldn’t know this if you listen to the political establishment. That cozy club continues to crank out alarming projections. For example, on Feb. 25, the Biden White House released a slew of press releases from the “White House Climate Science Roundtable” warning of climate catastrophes if we don’t undertake a rapid, radical changeover from fossil fuels to intermittent (commonly called “renewable”) sources of …