By 
Dirk Waem | AFP | Getty Images
As the world heats up, converting to energy-efficient cooling systems is a major way to curb greenhouse gas emissions and limit climate change, according to a new report from the U.N. Environment Programme and the International Energy Agency.
A shift to energy-efficient air conditioning appliances could cut as much as 460 billion metric tons of global greenhouse gas emissions — or about eight years of emissions based on 2018 levels — in the next four decades, according to the report titled “Cooling Emissions and Policy Synthesis.”
Doubling the energy efficiency of air conditioners worldwide could also save $2.9 trillion by 2050, just from reducing…
Source cnbc.com
