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The largest Antarctic ozone hole recorded (September 2006) 2012 retrospective video by NASA on the Montreal Protocol The Montreal Protocol on Substances That Deplete the Ozone Layer [2] is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion.
Because the Protocol was created in the 1980s and countries economic situations have changed, the Kigali Amendment created three updated groups for compliance with the additional terms. [ 18 ] The first group, which includes the "old" industrialized countries, is committed to reducing the use of HFCs by 45% by 2024 and by 85% by 2036, compared ...
Stephen Oliver Andersen (born 17 January 1948) is the Director of Research at the Institute for Governance & Sustainable Development (IGSD) [1] and former co-chair (1989–2012) [2] of the Montreal Protocol Technology and Economic Assessment Panel (TEAP) where he also chaired and co-chaired Technical Options Committees, Task Forces and Special Reports.
The development of Hydrofluoroolefins (HFOs) as replacements for Hydrochlorofluorocarbons and Hydrofluorocarbons began after the Kigali amendment to the Montreal Protocol in 2016, which called for the phase out of high global warming potential (GWP) refrigerants and to replace them with other refrigerants with a lower GWP, closer to that of ...
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On 24 February 1988 in Montreal, the Protocol for the Suppression of Unlawful Acts of Violence at Airports serving International Civil Aviation was signed as a supplement to the convention. The Protocol makes it an offence to commit similarly violent, dangerous, or damaging acts in airports that serve civil aviation.
Medical expenses, only to the extent that the expenses exceed 7.5% (as of the 2018 tax year, when this was reduced from 10%) of the taxpayer's adjusted gross income. [2] (For example, a taxpayer with an adjusted gross income of $20,000 and medical expenses of $5,000 would be eligible to deduct $3,500 of their medical expenses ($20,000 X 7.5% ...
In the U.S. system, these (as well as certain business or investment expenses) are referred to as "itemized deductions" for individuals. The UK allows a few of these as personal reliefs. These include, for example, the following for U.S. residents (and UK residents as noted): Medical expenses (in excess of 7.5% of adjusted gross income) [39]