Romans

As the Roman Republic began to fall, the Earth suffered from extreme cold and famine that helped push Rome's instability to its ultimate collapse. The cause of the extreme climate? The eruption of an Alaskan volcano on the opposite side of the world.

by Lorena Lyon figures by Rebecca Senft Today, the discussion of climate change generally relates to human impact on the environment since the Industrial Revolution (1760 to mid-1800s). But, how have humans been impacting the planet before then? And how…

There is something unusual about Roman sea walls: they last for a very long time. In fact, while modern concrete erodes when exposed to seawater and eventually requires replacement, Roman concrete grows even stronger. Professor Marie Jackson at the…