"climate change" is a weasel term. They need absolute definitions of the changes coming or people can't take their claims seriously.
[edit to explain myself: the above was meant to critize the parent for using the same non-logic that the climate denier movement uses: requiring an impossily high standard of evidence)
[edit to explain myself: the above was meant to critize the parent for using the same non-logic that the climate denier movement uses: requiring an impossily high standard of evidence)