The social cost helps regulators factor in harm from climate change when they consider new rules and purchases, like buying electric- vs. gas-powered trucks for the Postal Service.

You have a finely honed sense of privacy in the physical world. But the sights and sounds you encounter online don’t help you detect risks and can even lull you into a false sense of security.

Farmers are stuck in a chemical war against weeds, which have developed resistance to many widely used herbicides. Seed companies’ answer – using more varied herbicides – is causing new problems.

Misinformation will continue to strain society in 2022 as the lines between misinformation and political speech blur, cynicism grows and the lack of regulation allows misinformation to flourish.

Burning leaded gasoline releases toxic lead into the environment, and for 100 years people around the world have been dealing with the health effects. How did a century of toxic fuel come to be?

Research suggests that corporate leaders can be encouraged to lobby for climate action by personally experiencing the effects of climate change.

Pressure is mounting on Congress to take action on Facebook. Our panel of experts offers their top priorities: user control of data, banking-like oversight and resources to close the digital divide.

Hurricane Ida left the entire city of New Orleans in the dark and renewed discussion of burying power lines. But there’s no way to completely protect the grid, above ground or below.

What kind of evidence does it require to get a widely used chemical banned? A professor of medicine and former state regulator explains how the case for chlorpyrifos as a threat to public health developed.