“the earth’s climate has warmed dramatically over the last 50 years” is a claim of an empirical fact.
“The earth’s climate has warmed by about x °C over the last 50 years” is a claim of an empirical fact. “It is dramatic for a planet to warm by about x °C in 50 years” is an expression of the speaker’s sense of drama.
“The earth’s climate has warmed by about x °C over the last 50 years” is a claim of an empirical fact. “It is dramatic for a planet to warm by about x °C in 50 years” is an expression of the speaker’s sense of drama.
Yeah, sure, but I’m skipping over the drama. If we ever find ourselves debating this, I’m sure that X is will get established pretty quickly.