Four most polluted national park sites are in California

A couple years ago, as part of the Sierra Club's Outdoors for All campaign, Roberto Morales took a group of low-income Los Angeles area residents north to Sequoia National Park to help with a forest restoration project.

A new approach to 24/7 air quality monitoring using cameras

Air pollution is a critical global health issue, demanding innovative monitoring solutions. Traditional methods, reliant on ground stations, are expensive and geographically limited, hindering comprehensive coverage. Recent ...

Hubble captures dense globular cluster NGC 1841

This densely populated group of stars is the globular cluster NGC 1841, which is part of the Large Magellanic Cloud (LMC), a satellite galaxy of our Milky Way galaxy that lies about 162,000 light-years away. Satellite galaxies ...

How air pollution can harm team performance

High levels of air pollution can harm the performance of teams, which are vital for solving complex problems such as developing clean energy technologies and vaccines, and this could harm economic development in highly polluted ...

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