CFCs

Healing the ozone layer through diplomacy

The Montreal Protocol shows what is possible when science, diplomacy, and business cooperate to implement international environmental agreements. When the people became aware of a hole in the ozone layer over Antarctica—and damage to the protective layer of atmosphere around the world—leaders around the world coordinated action on ozone depleting …

Manual for the refrigeration and air-conditioning technicians and engineers: post phase-out period of CFCs and beginning of phase-out of HCFCs

The manual provides new approaches to prevent emissions of CFCs during the operation and servicing of equipment and catalogues steps to recycle the CFCs and retrofit the equipment. Developing countries, called Article 5 countries under the Montreal Protocol on Substances That Deplete the Ozone Layer are also embarking on the …

HFC-23 offsets in the context of the EU emissions trading scheme

This briefing illustrates how HFC-23 projects under the CDM are working directly against the objectives of the UNFCCC and the Montreal Protocol, which is working to phase out HCFCs. HFC-23 emissions are clearly best addressed through direct measures outside the CDM. Setting the demand for the majority of CDM credits …

The chance discovery of the ozone hole

R. PRASAD The missed data: Looking for long-term patterns in springtime data for the Antarctic helped the team to discover the ozone hole. This file photo shows the ozone hole split into two separate holes. Twenty-five years ago British scientists

Effect of climate change on energy demand: case study of Indian Institute of Technology-Bombay (IIT-B)

This document contains the presentation by Gokul Iyer, on effect of climate change on energy demand: case study of IIT- Bombay, presented at National climate research conference, IIT Delhi, March 5-6, 2010. This paper aims at exploring the relationship between climate change and energy demand. The modeling techniques employed in …

Chilling facts 2: the supermarket refrigeration scandal continues

The second Chilling Facts survey has revealed some big improvements on last year. This year

Unpacking the problem

The attractions of a piecemeal approach to global warming ONLY half of man-made global warming comes from CO2. The rest comes from a variety of sources, including hydrofluorocarbons (HFCs), black carbon (soot), methane and nitrogen compounds. Packing them all up together gives the Kyoto protocol an elegant framework which in …

An unparalleled opportunity for Copenhagen eliminate HFCs

Halogenated gases currently contribute 12% to overall radiative forcing. While actions under the Montreal Protocol on Substances that Deplete the Ozone Layer (Montreal Protocol) are already addressing CFCs and HCFCs, atmospheric concentrations of some HFCs (hydrofluorocarbons) are rising rapidly, by more than 23% each year. A global agreement to phase …

Climate benefits from ozone layer protection: Low hanging fruits

Focuses on the issue of phasing down hydrofluorocarbon (HFC) use. It also provides a summary of the UN DPI non-governmental organization briefing on the ozone layer and climate change held on 18 June 2009, including presentations as well as the question and answer session held with ozone experts.

Roadmap unveiled for phasing out HCFCs by 2030

India on Tuesday unveiled its roadmap for phasing out hydrochlorofluorocarbons (HCFC) by 2030 under the Montreal Protocol even as it sought the requisite technology and funds for it from the global community. HCFCs are chemicals now being widely used in refrigeration and air-conditioning in place of chlorofluorocarbons (CFC), which cause …

Ozone-depleting substances to be phased out by 2030

India will phase out hydrochlorofluorocarbons (HCFCs), used for refrigeration and air-conditioning, by 2030 in line with the Montreal Protocol, a treaty to protect the ozone layer.

India to phase out aerosols by 2030 to check warming

The consumption of HCFCs has grown at an average annual rate of over 11.3 per cent in the past 15 years ndia will phase out hydrochlorofluorocarbons (HCFCs) by the year 2030. These chemicals are widely used in refrigeration and airconditioning systems and are major cause of global warming. While unveiling …

HFCs: a growing threat to the climate

The most commonly-known f-gases are the early, so-called first generation F-gases: the CFCs that destroyed the ozone layer and were banned by the Montreal Protocol. However, in the race to save the ozone layer, the use of their second generation cousins was accelerated: HCFCs, now also banned under the Montreal …

Experts hail Nepals ozone-friendly efforts

Nepal has effectively implemented the Montreal Protocol 1987 by doing a remarkable work in the field of minimising the use of chloroflourocarbons (CFCs) -- the major green house gases responsible for the ozone layer depletion, praised experts on Wednesday. Speaking during a programme on 'International cooperation in ozone layer protection …

Community forest to offset landslides

Records with the gup of Lumang gewog in Trashigang show that 128 households from four of its villages have abandoned their homes for resettlement elsewhere in the country.

UNSG seeks concerted efforts to protect ozone layer

The United Nations Secretary General (UNSG) in his message to commemorate the International Day for the Preservation of the Ozone Layer, on Wednesday, has urged for implementation of agreed environmental goals, targets and objectives for protection of the "Earth's Protective Shield." "Without action on climate change, the world faces profound …

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