Seeing is Believing

For those who still doubt climate change

Pedersen Glacier, mid-1920s and early 1940s, image courtesy of NASA

“Climate is what we expect. Weather is what we get.” Mark Twain was right. But these days, we need to update his observation: weather is what we notice; climate is what we ignore. Weather happens at the human scale; climate happens at the scale of civilizations. It’s been easy, with day-to-day variations, to focus on the immediate and ignore the trends. That’s why it helps to find ways…