This story originally appeared on Yale Environment 360 and is part of the Climate Desk collaboration. Sequoia National Park’s famous groves of stout, 300-foot-tall trees sit high on the western side ...

HEATWAVES ARE not just a direct threat to human health, they also drive up concentrations of ground-level ozone that sharply aggravate mortality risks, a new study by Indian researchers has shown. In ...

Located kilometres above the Earth’s surface, the ozone layer protects humanity and all life from the sun’s harmful ultraviolet rays. But in the troposphere, at ground level, this gas can wreak havoc ...

Ozone is an invisible, odorless gas that can either protect us or harm us depending on where it is found. Since at least the 1950’s the United States has been monitoring and regulating the amount of ...