A whole bunch of big technological shocks occurred when Asian innovations - paper, gunpowder, the stirrup, the moldboard plow and so on - came to Europe via the Silk Road.

Artificial lighting, air-conditioning, and automobiles, all powered by fossil fuels, swaddle us in our giddy modernity. In our ergonomic chairs and acoustical-panel cubicles, we sit cozy as kings atop 300 years of flaming carbon.

Americans are willing to cheer on politicians who denounce bureaucratic overreach and job-killing red tape in abstract terms. But they turn out to like specific regulations against toxic chemicals in their drinking water.

The queue of activists, interest groups, and ordinary people wringing their hands over what a President Donald Trump might do in office is long, and environmentalists are at the front of the line.

This whole climate change and what it's doing to our environment is frightening to people.

A variety of factors contribute to the price of gasoline in the United States. These factors include worldwide supply, demand and competition for crude oil, taxes, regional differences in access to gasoline supplies and environmental regulations.

I have American in-laws, and I care about the environment. We don't use disposable diapers, which, of course, creates an environmental problem of our own.

The Heartland Institute is about as biased as they come, and it's funded by the likes of Exxon and the Koch brothers. This is the same group that took out billboard space to compare people who understand climate change to the Unabomber.