For decades, big-box retailers have evaded federal regulation of the pollution their operations generate. But a new air emission rule in Southern California could become a model for state controls.

The new rule isn’t a mandate for electric vehicles, but it will sharply increase their market share over the coming decade.

Female mosquitoes don’t want to lay their eggs alone, but they don’t want sites that are too crowded either. Understanding what guides their choice could inform new control strategies.

Many incentive programs promote e-bike use, but they aren’t necessarily targeting the right people for the right reasons.

Pressure to ‘publish or perish’ and get results out as quickly as possible has led to weak study designs and shortened peer-review processes.

Reducing particle pollution can save thousands of lives, but states need more data to inform better controls. An atmospheric scientist explains what data and actions are needed.

On Feb. 7, 2024, the EPA strengthened the federal limit for annual levels of fine particulate air pollution, or PM2.5. Many serious health effects have been linked to PM2.5 exposure.

Two-thirds of new HIV infections are among gay and bisexual men. Although cases have decreased among white men, they have stagnated among communities of color.

The longest-running study of its kind reviewed death records in the path of pollution from coal-fired power plants. The numbers are staggering − but also falling fast as US coal plants close.

High levels of diarrhea, scabies and respiratory infections have been reported as bombing campaign progresses – and children are the most vulnerable.