Methane Gas Exhaust Pipe

The Not-So-Clean Side of Natural Gas

Methane leaks are a serious but oft-overlooked cause of pollution.
Electrolytically refined pure (99.989 %) superficially oxidized lead nodules and a high purity (99.989 %) 1 cm3 lead cube for comparison.

Lead: Our Four-Thousand Year Old Pollutant

The history of lead pollution goes back 4000 years.

Why Urban Crabs Are More Aggressive

Urban crabs are more aggressive than their rural counterparts because of heavy metal contamination.
yellow-green image on a lake that is poisoned and polluted

The Latest Legacy of Acid Rain: Jellied Lakes

The impact of decades of acid rain (better known as acid precipitation) is causing North American lakes to turn to jelly.

An Algae Farm for Cleaner Highways

A design firm has come up with an answer to highway pollution, running tubes of photosynthetic algae to absorb CO2 pollution from traffic.

“Plastic Rock” Marks the Presence of Humans in the Fossil Record

Plastic in the ocean has created an entirely new kind of rock: plastiglomerate.