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Since 2002, scientific data pointed to a slower decline of CFC-11, one of several chemical substances banned by the Montreal Protocol in 1987. The amount of CFC-11 found in the atmosphere has actually gone up during that time, prompting the United Nations

Scientists detected a spike in ozone-depleting chemicals. They’ll use the Montreal Protocol to stop the pollution.

Environment

Those who have watched over the Montreal Protocol since its formation have never had to take significant measures to enforce it — until now.

A false-color image showing ozone concentrations above Antarctica on Oct. 2, 2015.

The ozone layer is bouncing back. And our hairstyles will be OK too.

Environment

Cooling with CO2

China, U.S. to seek way to end production, use of climate change causing HFCs

Environment

Counting Carbs

The World

Powerboat Smoke

Some people call powerboats stinkpots, because many two stroke outboard motors burn a mixture of gas and oil that produces a thick and smelly exhaust. But one New Hampshire man says he has a practical answer to this marine pollution: power these boats with propane gas. New Hampshire Public Radio’s Trish Anderton reports.

Freon Free in 1996

As of January 1, 1996 car manufacturers in the United States will start selling autos with air conditioning that is CFC(chlorofluorocarbon)-free. Some consumers are confused about what that means and how it may impact them. In this consumer information segment, Steve Curwood talks with Drusilla Hufford of the Environmental Protection Agency on what consumers need […]

The World

CFC-Free AC

Chris Spurgeon of member station WHYY in Philadelphia reports on the development of a new, CFC-free air conditioning system. It’s one of several new technologies emerging under the pressure of consumer action and international efforts to phase out the use of ozone-damaging chlorofluorocarbons.

The World

Problems With Promising CFC Substitute

Mike Villars of member station WHYY in Philadelphia reports on the decision of two major companies to stop working with a promising substitute for ozone-depleting CFCs. The companies say their workers could be exposed to unsafe levels of the chemical.

The World

CFC-Free AC

Chris Spurgeon of member station WHYY in Philadelphia reports on the development of a new, CFC-free air conditioning system. It’s one of several new technologies emerging under the pressure of consumer action and international efforts to phase out the use of ozone-damaging chlorofluorocarbons.