Web Results

en.wikipedia.org/wiki/Ozone_depletion

Ozone depletion describes two distinct but related phenomena observed since the late 1970s: .... Scientists have been increasingly able to attribute the observed ozone depletion to the ...... Transnational Environmental Policy : the ozone layer.

www.ducksters.com/science/environment/ozone_layer.php

Kids learn about the depletion of the ozone layer. ... The Environment ... In 1974 scientists Sherry Rowland and Mario Molina discovered the link between the ...

www.epa.gov/ozone-layer-protection/basic-ozone-layer-science

Dec 12, 2016 ... Most atmospheric ozone is concentrated in a layer in the stratosphere, about 9 to 18 miles (15 to 30 km) above the Earth's surface (see the ...

www.epa.gov/ozone-layer-protection/ozone-layer-science

Dec 12, 2016 ... Addressing Ozone Layer Depletion. Since the early 1970s, researchers across the globe have been working to understand the ozone layer ...

www.epa.gov/ozone-layer-protection

On this web area you'll find information about the science of ozone depletion, EPA's regulatory approach to protecting the ozone layer, EPA-approved ...

www.epa.gov/ozone-layer-protection/health-and-environmental-effects-ozone-layer-depletion

Dec 28, 2016 ... Environmental Effects of Ozone Depletion and Its Interactions with Climate ... the Ozone Layer: 2014 Update, Scientific Assessment of Ozone ...

www.nationalgeographic.com/environment/global-warming/ozone-depletion

Learn about the causes and effects of Ozone Depletion. ... In this video Bill Nye, the Science Guy, explains what causes climate change, how it affects ... thousand ozone molecules, according to the the U.S. Environmental Protection Agency.

www.theguardian.com/environment/ozone-layer

Ozone hole recovery threatened by rise of paint stripper chemical. Restoration of the ... Ozone layer hole appears to be healing, scientists say. Research by US ...

www.sciencemag.org/news/2017/06/new-threat-ozone-layer-found

Jun 27, 2017 ... The ozone hole over Antarctica (depicted in shades of blue and purple) ... says Robyn Schofield, an environmental scientist at the University of ...