Page 2 - Christopher Cappa News Today

Refrigerants are chemical fluids that have made air conditioning and refrigeration possible, but they are hundreds or even thousands of times more powerful at warming the planet than carbon dioxide, the most notorious greenhouse gas

The chemicals, when they leak, can cause massive damage to the atmosphere, compounding the issue as summers get hotter.

PHILADELPHIA (AP) — When Jennifer Byrne, owner and technician at Comfy Heating and Cooling, gets a call to come and fix a relatively new air conditioning system, one of the first questions she asks is if the house has just been remodeled. Here in West Philadelphia, Byrne has found shoddy renovations where installers skip steps […]

PHILADELPHIA — When Jennifer Byrne, owner and technician at Comfy Heating and Cooling, gets a call to come and fix a relatively new air conditioning system, one of the first

Experts say alternatives must spread fast.

A new study from the University of California, Davis, and the Icahn School of Medicine at Mount Sinai confirms that surgical masks effectively reduce...

New research confirms that surgical face masks effectively reduce outgoing airborne particles from talking or coughing, even after allowing for leakage around the edges of the mask. Wearing masks and other face coverings can reduce the flow of airborne particles that are produced during breathing, talking, coughing, or sneezing, protecting others from viruses carried by those particles such as SARS-CoV2 and influenza, says Christopher Cappa, professor of civil and environmental engineering at t...