Hydrofluorocarbons

One of Canada's fastest-growing sources of emissions is the extreme greenhouse gas leaking from our businesses and homes. Barry Saxifrage takes us on a chart-packed tour of one of our least-known climate threats.

Dr. Kevin Liang is a family physician practising in Vancouver. This 28-year-old is passionate about planetary health and tackling health-care's carbon footprint.

“Many patients on these puffers do not even need them,” says Dr. Kimberly Wintemute, a family physician who leads the Toronto Academic Health Science Network.

Even though her Ottawa home has AC, by August, Joan Lawrence still hadn’t turned it on even though temperatures have frequently cracked 30 C.

In what officials call a key step to combat climate change, the Environmental Protection Agency is sharply limiting domestic production and use of hydrofluorocarbons, highly potent greenhouse gases commonly used in refrigerators and air conditioners.

An amendment to the Montreal Protocol has been signed that will lower the levels of a type of greenhouse gas that warms the planet even more quickly than carbon dioxide, Environment Minister Catherine McKenna said on Monday, Nov. 20, 2017.

UN Secretary-General Antonio Guterres made an impassioned appeal on May 30, 2017 for the world to intensify action to combat climate change and implement the Paris Agreement to limit carbon emissions.

One commits to declining emissions. The other leaves them soaring.