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The United States has managed to reduce the amount of air pollution it produces, but you wouldn’t know it from looking at and breathing in the air. That’s because pollution created in Asia is gradually making its way across the Pacific Ocean to the western hemisphere.

According to research published in the Atmospheric Chemistry and Physics journal, up to 65 percent of the newly created smog in the U.S. has actually drifted over from Asia. The country’s western states are most vulnerable to the increase in ozone due to their proximity to the continent.

Un nuevo estudio europeo ha encontrado que la pérdida de carbono del suelo es más sensible al cambio climático en comparación con el carbono absorbido por las plantas. En las regiones más secas, la pérdida de carbono en el suelo disminuyó, pero en las regiones más húmedas la pérdida de carbono en el suelo aumentó. Esto podría dar como resultado una retroalimentación positiva a la atmósfera que conduce a un aumento adicional de los niveles atmosféricos de CO2.

The speed at which a tiny ant evolves to cope to its warming city environment suggests that some species may evolve quickly enough to survive, or even thrive, in the warmer temperatures found within cities, according to a new study by researchers at Case Western Reserve University.

A good rain can have a cleansing effect on the land. But an MIT study published today in Nature Communications reports that, under just the right conditions, rain can also be a means of spreading bacteria.

Projected increases in the frequency, intensity and duration of heatwaves in the desert of the southwestern United States are putting songbirds at greater risk for death by dehydration and mass die-offs, according to a new study.