Climate Science

Life in the Time of the Great Dying

Earth history is different from ordinary history: it’s much harder to nail down specific dates when everything happened millions of years ago and over huge, slow timescales. But it can be done, as shown by paleontologists who …

Arctic Permafrost: Climate Wild Card

On the basics, the science of climate change is pretty straightforward. Carbon dioxide released into the air—whether through the burning of fossil fuels, deforestation or other natural causes—adds to the greenhouse effect, which traps more solar energy in the atmosphere and warms the planet. But just how this will happen—how fast …

How Climate Change May Shrink Species

The people of Soay Island, off the west coast of Scotland, have notice something strange. Over the years, their sheep have begun to shrink, as I wrote in 2009:

Why? In short, because of climate change. Generally, the sheep’s life cycle goes like this: they fatten up on grass during the fertile, sunny summer; then the harsh winter

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