Science, Tech & Environment

Exxon helped pioneer climate science — then disavowed its own research. Was it a crime?

In the late 1970s and early 1980s, Exxon was at the cutting edge of climate change research. Its scientists and its senior management understood that burning fossil fuels would warm the planet in destructive ways. But in the 1990s, Exxon began funding climate-denying organizations and speaking out publicly against climate science.

Science, Tech & Environment

The battlefields at Gettysburg have been getting an interesting makeover

Each year, thousands of visitors travel to Gettysburg, Pennsylvania to walk the battlefield and imagine witnessing Pickett’s charge and the bloodiest clash of the Civil War. But the landscape has changed dramatically since 1863, so picturing the fight isn’t easy. Now, the National Park Service is using modern conservation tactics to take Gettysburg’s landscape back in time.

Science, Tech & Environment

Nuclear reactor closings in the US continue to roil the energy industry

The Entergy Corporation recently announced it would soon close two aging nuclear power plants in the northeast US. At the same time, the Nuclear Regulatory Commission has granted the company a new license to operate a Tennessee reactor that some experts consider one of the least safe in the nation. What does this portend for nuclear energy in the US?