The U.S. Senate voted to ratify an international treaty on Sept. 21, 2022, and join 137 other countries in agreeing to phase out a class of climate-warming chemicals that are widely used as coolants in refrigerators, air ...
Environment
Sep 22, 2022
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On October 28, Australia ratified the Kigali Amendment to the Montreal Protocol. Australia is the tenth country to ratify, joining others as diverse as Mali, the United Kingdom and Rwanda in a global commitment to dramatically ...
Environment
Nov 2, 2017
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Greenhouse gases that are more powerful than carbon dioxide are the focus of a global gathering this week in Africa. Experts say cutting hydrofluorocarbons, or HFCs, is the fastest way to reduce global warming. The United ...
Environment
Oct 13, 2016
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A class of widely used chemical coolants known as hydrofluorocarbons (HFC) contributes to ozone depletion by a small but measurable amount, countering a decades-old assumption, according to a new NASA study.
Earth Sciences
Oct 23, 2015
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Many beekeepers feed their honey bees sucrose or high-fructose corn syrup when times are lean inside the hive. This practice has come under scrutiny, however, in response to colony collapse disorder, the massive—and as ...
Plants & Animals
Jul 17, 2014
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Daily headlines on internet pages and blogs claim: "New ingredient X is harmful to your health." Such warnings can scare people into avoiding these ingredients without actually knowing the facts, leading some people to have ...
Social Sciences
Jun 25, 2014
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Phasing out "super greenhouse gases," which mass emitters China and the United States have agreed to restrict, could curb global warming by as much as half a degree Celsius by 2050, a report said Wednesday.
Environment
Jun 12, 2013
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China agreed Saturday with the United States to scale back production of "super greenhouse gases" used in refrigerators and air conditioners in a joint bid to fight climate change.
Environment
Jun 8, 2013
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Hydrofluorocarbons (HFCs), which have been used in recent years in increasing quantities as substitutes for CFCs, are also climatically very active and many are also extremely long-lived. In the renowned journal Science an ...
Environment
Feb 24, 2012
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(PhysOrg.com) -- University of Arizona engineers find swapping one chemical for another may actually result in greater energy use, compounding the problems the new chemical was supposed to fix.
Environment
Mar 16, 2010
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