Pollution

Satellite streaks are ruining astronomical images. Can scientists and space companies find solutions before it’s too late?

Nanoplastics—particles smaller than a human hair—can pass through cell walls and enter the food web. New research suggests 27 million metric tons of nanoplastics are spread across just the top layer of the North Atlantic

When tested on their own and in mice, these bacterial strains from the human microbiome show promise in accumulating PFAS

The EPA has contradicted itself—and legal precedent—in its bid to undo Biden-era limits on power-plant climate pollution

Under President Trump, the Environmental Protection Agency plans to eliminate offices that track greenhouse gas emissions and regulate air pollution

From public health to space exploration, advisory panels have helped U.S. agencies make smarter decisions. The Trump administration wants to kill them

Much of the U.S. uses single-stream recycling, where plastic, glass and paper go into one bin. Here’s what happens to that material and ways engineering is trying to improve the process

President Trump has ordered agencies to act “urgently” to curb asthma—a goal at odds with moves to roll back air pollution limits and with RFK, Jr., cutting CDC experts

New evidence shows plant leaves absorb airborne microplastics, a previously overlooked route for the particles to enter crops that has implications for ecology and human health

Similar to other professions, science has organizations that represent scientists and the research they do. Too many are staying silent as Trump dismantles research

President Donald Trump signed executive orders on Tuesday that keep aging coal generators running and undermine efforts to rein in pollution, including mercury and arsenic emissions

The Trump administration’s mass federal firings include the scientific investigators who make dangerous workplaces safe for millions of people