City trees can cool neighborhoods, but some species also release gases that help form ground-level ozone on hot, sunny days.

They release compounds that contribute to ozone emissions, and rising temperatures could exacerbate the problem.

Amid current heat waves, urban greening is once again moving to the center of public debate. Greener cities are generally ...

The Oklahoma Department of Environmental Quality says ozone concentrations could approach concerning levels, with sensitive ...

Researchers used a 102 m high platform on the tower to measure how emissions from trees may contribute to unhealthy levels of ozone pollution in urban areas. Credit: Jinan University Urban trees are a ...

Add Yahoo as a preferred source to see more of our stories on Google. The Earth's ozone layer is expected to recover within the next 40 years as ozone-depleting chemicals are being phased out of use, ...

The Earth's ozone layer is on its way to recovering, thanks to decades of work to get rid of ozone-damaging chemicals, a panel of international experts backed by the United Nations has found. The ...

The story of the ozone layer and its infamous hole is a roadmap for all of us. It offers a pathway for solving complex environmental challenges steeped in science, economics policy, skeptical ...