I'm sure people are, but it's too big of a problem to fit in the space of thinking for the average person. Also, where do you live? If you don't live in any of

I'm sure people are, but it's too big of a problem to fit in the space of thinking for the average person. Also, where do you live? If you don't live in any of the areas soon or already being affected (e.g. Pakistan, India) then it's not an 'immediate' (relatively) concern. Of Europe heats up, it's still cooler than Mumbai.