your grandchildren. as a president, as a father, and as an american, i'm here to say we need to act. >> the president is finally saying here is we don't have time to deny the fact that human activity is warming the earth. sea levels practically a foot higher than they were at the end of the 19th century. the president has understandably lost his patience for anyone who denies the science is real. >> we don't have time for a meeting of the flat earth society. [ applause ] sticking your head in the sand might make you feel safer, but it's not going to protect you from the coming storm. and ultimately we will be judged as a people and as a society and as a country on where we go from here. >> speech was refreshingly free from any ambiguity and light on rhetorical hedges. it was bold and it was pressing