Global warming and greenhouse gases are prominent subjects in the news lately. But humans aren’t the only species implicated in our warming trend.

Even a creature as mundane as a cow responds to proper, respectful treatment, as Ted Forrest Fansher showed many decades ago.

Grass-fed beef, milk and milk products are growing in popularity with health-conscious and environment-conscious consumers.

National Geographic writer and explorer Dan Buettner’s, The Blue Zones, is his attempt to find out what it takes to achieve the aim of a long and prosperous life.

The effects of smoking on physical health are well-documented, but new research is shedding light on the effects of smoking and tobacco use on mental health.

Synthetic nitrogen fertilizers have revolutionized worldwide food production, but after a century, environmentalists are sounding the alarm.

Today we feed a growing global population with the crops fed by synthetic nitrogen fertilizer, but are there side effects?

Farmers, gardeners and scientific scholars understand that nitrogen is one of the most important plant foods. But are artificial means the answer?

Survey finds that teens who have seen their parents drunk are more than twice as likely to get drunk themselves in a typical month.

DDT had no practical use until Paul Hermann Müller, a chemist working in Basel, Switzerland, discovered that it was an effective contact insecticide.