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... Aware that measures to protect the ozone layer from modifications due to human activities require international co-operation and action, and should be based on relevant scientific and technical considerations, ...

... (a) Co-operate by means of systematic observations, research and information exchange in order to better understand and assess the effects on human health and the environment from modification of the ozone layer; ...

... (b) Adopt appropriate legislative or administrative measures and co-operate in harmonizing appropriate policies to control, limit, reduce or prevent human activities under their jurisdiction or control should it be found that these activities have or are likely to have adverse effects resulting from modification or likely modification of the ozone layer; ...

... (c) Co-operate in the formulation of agreed measures, procedures and standards for the implementation of this Convention, with a view to the adoption of protocols and annexes; ...

... (d) Co-operate with competent international bodies to implement effectively this Convention and protocols to which they are party. ...

... The Parties undertake, as appropriate, to initiate and co-operate in, directly or through competent international bodies, the conduct of research and scientific assessments on:

• (a) The physical and chemical processes that may affect the ozone layer;
• (b) The human health and other biological effects deriving from any modifications of the ozone layer, particularly those resulting from changes in ultra-violet solar radiation having biological effects (UV-B);
• (c) Climatic effects deriving from any modifications of the ozone layer;
• (d) Effects deriving from any modifications of the ozone layer and any consequent change in UV-B radiation on natural and synthetic materials useful to mankind;
• (e) Substances, practices, processes and activities that may affect the ozone layer, and their cumulative effects;
• (f) Alternative substances and technologies;
• (g) Related socio-economic matters; and as further elaborated in annexes I and II.

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... The Parties undertake to co-operate, directly or through competent international bodies, in ensuring the collection, validation and transmission of research and observational data through appropriate world data centers in a regular and timely fashion. ...

... Co-operation in the legal, scientific and technical fields ...

... The Parties shall co-operate, consistent with their national laws, regulations and practices and taking into account in particular the needs of the developing countries, in promoting, directly or through competent international bodies, the development and transfer of technology and knowledge. Such co-operation shall be carried out particularly through:

• (a) Facilitation of the acquisition of alternative technologies by other Parties;
• (b) Provision of information on alternative technologies and equipment, and supply of special manuals or guides to them;
• (c) The supply of necessary equipment and facilities for research and systematic observations;
• (d) Appropriate training of scientific and technical personnel.

...

... The Parties shall co-operate, consistent with their national laws, regulations and practices and taking into account in particular the needs of the developing countries, in promoting, directly or through competent international bodies, the development and transfer of technology and knowledge. Such co-operation shall be carried out particularly through:

• (a) Facilitation of the acquisition of alternative technologies by other Parties;
• (b) Provision of information on alternative technologies and equipment, and supply of special manuals or guides to them;
• (c) The supply of necessary equipment and facilities for research and systematic observations;
• (d) Appropriate training of scientific and technical personnel.

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... (d) Adopt, in accordance with articles 3 and 4, programmes for research, systematic observations, scientific and technological co-operation, the exchange of information and the transfer of technology and knowledge; ...

... The Parties to the Convention, in accordance with article 3, shall co-operate in conducting research and systematic observations and in formulating recommendations for future research and observation in such areas as:

• (a) Research into the physics and chemistry of the atmosphere
  • (i) Comprehensive theoretical models: further development of models which consider the interaction between radiative, dynamic and chemical processes; studies of the simultaneous effects of various man-made and naturally occurring species upon atmospheric ozone; interpretation of satellite and non-satellite measurement data sets; evaluation of trends in atmospheric and geophysical parameters, and the development of methods for attributing changes in these parameters to specific causes;
  • (ii) Laboratory studies of: rate coefficients, absorption cross-sections and mechanisms of tropospheric and stratospheric chemical and photochemical processes; spectroscopic data to support field measurements in all relevant spectral regions;
  • (iii) Field measurements: the concentration and fluxes of key source gases of both natural and anthropogenic origin; atmospheric dynamics studies; simultaneous measurements of photochemically-related species down to the planetary boundary layer, using in situ and remote sensing instruments; intercomparison of different sensors, including co-ordinated correlative measures for satellite instrumentation; three-dimensional fields of key atmospheric trace constituents, solar spectral flux and meteorological parameters;
  • (iv) Instrument development, including satellite and non-satellite sensors for atmospheric trace constituents, solar flux and meteorological parameters;
• (b) Research into health, biological and photodegradation effects
  • (i) The relationship between human exposure to visible and ultra-violet solar radiation and (a) the development of both non-melanoma and melanoma skin cancer and (b) the effects on the immunological system;
  • (ii) Effects of UV-B radiation, including the wavelength dependence, upon (a) agricultural crops, forests and other terrestrial ecosystems and (b) the aquatic food web and fisheries, as well as possible inhibition of oxygen production by marine phytoplankton;
  • (iii) The mechanisms by which UV-B radiation acts on biological materials, species and ecosystems, including: the relationship between dose, dose rate, and response; photorepair, adaptation, and protection;
  • (iv) Studies of biological action spectra and the spectral response using polychromatic radiation in order to include possible interactions of the various wavelength regions;
  • (v) The influence of UV-B radiation on: the sensitivities and activities of biological species important to the biospheric balance; primary processes such as photosynthesis and biosynthesis;
  • (vi) The influence of UV-B radiation on the photodegradation of pollutants, agricultural chemicals and other materials;
• (c) Research on effects on climate
  • (i) Theoretical and observational studies of the radiative effects of ozone and other trace species and the impact on climate parameters, such as land and ocean surface temperatures, precipitation patterns, the exchange between the troposphere and stratosphere;
  • (ii) The investigation of the effects of such climate impacts on various aspects of human activity;
• (d) Systematic observation on:
  • (i) The status of the ozone layer (i.e. the spatial and temporal variability of the total column content and vertical distribution) by making the Global Ozone Observing System, based on the integration of satellite and ground-based systems, fully operational;
  • (ii) The tropospheric and stratospheric concentrations of source gases for the HOx, HOx, Cl0x and carbon families;
  • (iii) The temperature from the ground to the mesosphere, utilizing both ground-based and satellite systems;
  • (iv) Wavelength-resolved solar flux reaching, and thermal radiation leaving, the Earth's atmosphere, utilizing satellite measurements;
  • (v) Wavelength-resolved solar flux reaching the EarthÕs surface in the ultra-violet range having biological effects (UV-B);
  • (vi) Aerosol properties and distribution from the ground to the mesosphere, utilizing ground-based, airborne and satellite systems;
  • (vii) Climatically important variables by the maintenance of programmes of high-quality meteorological surface measurements;
  • (viii) Trace species, temperatures, solar flux and aerosols utilizing improved methods for analyzing global data.

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... The Parties to the Convention shall co-operate, taking into account the particular needs of the developing countries, in promoting the appropriate scientific and technical training required to participate in the research and systematic observations outlined in this annex. Particular emphasis should be given to the intercalibration of observational instrumentation and methods with a view to generating comparable or standardized scientific data sets. ...

... The Parties to the Convention, in deciding what information is to be collected and exchanged, should take into account the usefulness of the information and the costs of obtaining it. The Parties further recognize that co-operation under this annex has to be consistent with national laws, regulations and practices regarding patents, trade secrets, and protection of confidential and proprietary information. ...