Why I care about global heating


"Do you believe your mobile phone works? Yes. (Unless you just dropped it in the bath, obviously.)

Do you know how it works? No.

Actually, nor does anyone else. Some people know how to etch ten million transistors onto a square millimetre of silicon. Some can send radio waves up twenty thousand miles, hit a tiny satellite, and bounce them back to Earth. Some can even work out just how much more slowly time itself goes for the satellite than it does for us down here.

Science is so big that no single person can grasp it all. But it works. If it didn’t, we wouldn’t be putting selfies on Instagram.
Just like they collaborate to make a phone work, millions of scientists around the world are measuring how our planet is heating up. And if you believe they can put a tweet instantly on your screen, you can believe them when they say the world’s a degree hotter than it was in 1880." ～Alaric Hall @SouthLeedsLife

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