Most people don’t know what these labels really mean − and advertisers take advantage of that fact.

Crofters who have managed the land for centuries are being offered dubious rewards to risk their rights.

The springtime emergence of vast swarms of cicadas can be explained by a mathematical model of collective decision-making with similarities to models

People who receive coupons for e-cigarettes are more than 1.5 times more likely to begin using them and less likely to quit.

Long-term goals can be hard to stick to if the benefits are only way off in the future. Research suggests ways to focus on the here and now to help you ultimately achieve your more far-off targets.

A streak can motivate you to keep on keeping on with behaviors ranging from praying to running to sharing pictures on social media. Here’s what goes into making them so compelling.

The UN climate conference brought some progress. A former UN official who has been involved in international climate policy for years explains what has to happen now for that progress to pay off.

Investors seem not to care about climate risks, but they really should.

A veteran of UN climate talks lays out the top themes and their sticking points, including concerns about the host country’s oil interests.

Businesses might not be doing an adequate job of communicating to customers what they're doing to improve society, a study indicates.