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Handbook of The Vienna Convention for the Protection of the Ozone Layer

… and have the added benefit of expanding the geographic area that can be measured and data archives in respect of the …
17 May 2026 Document in Climate and Atmosphere

3rd UNCCD Scientific Conference: Book of abstracts

… PRODUCTIVITY OF A TEMPERATE FOREST OVER THE DISTRIBUTION AREA OF PINUS ARIZONICA AT THE NORTH OF MEXICO … run-off has decreased, soil erosion has been decreased and protected, natural woodlands started to regenerate. These … includes open field forage and vegetable production under protected agriculture. Although in many cases agricultural …
17 May 2026 Document in Climate and Atmosphere

Scientific Assessment Report - UNECE Convention on Long-Range Transboundary Air Pollution - Summary for policy makers

… emission reductions of precursor emissions in a wider area: especially further reduction of ammonia is … (NH3) and nitrogen oxides changes the vegetation and many protected species are displaced by dominant species such as … where less than 70% of the plant species in grassland is protected against excess nitrogen deposition Rare (red list) …
17 May 2026 Document in Climate and Atmosphere

Handbook for the 1979 Convention on Long-range Transboundary Air Pollution and its Protocols

… the legal status of any country, territory, city or area, or of its authorities, or concerning the delimitation … naphtalenes PEMA Pollutant emission management area PF Pulverized fuel PFBC Pressurized fluidized bed … trioxide SOx Sulphur oxides SOMA Sulphur oxides management area STP Standard temperature (0° C) and pressure (1.013 x …
17 May 2026 Document in Climate and Atmosphere

Transboundary Air Pollution - extract from InforMEA e-learning course

… of sources including industrial operations, vehicles and area sources (e.g., gas station refilling, open burning, … physical origin is situated wholly or in part within the area under the national jurisdiction of one State and which has adverse effects in the area under the jurisdiction of another State at such a …
17 May 2026 Course lesson in Climate and Atmosphere

Handbook for the Montreal Protocol on Substances that Deplete the Ozone Layer

… title of the nomination; (c) Crop name (open field or protected) or post-harvest use; (d) Quantity of methyl … Committee has a “bottom up” approach for calculating the area concerned by methyl bromide in California in the United … Strawberry fruit 64.3; green pepper/tomato 70 China Ginger protected 24.0; ginger open field 90.0 Mexico Strawberry …
17 May 2026 Document in Climate and Atmosphere

The Land in Numbers

… crops has been lost. 32 • 25% of the world‘s land area is either highly degraded or undergoing high rates of … • 2 billion hectares of degraded land worldwide (an area larger than South America) have the potential for land …
17 May 2026 Document in Climate and Atmosphere

Desertification: the invisible frontline

… have a national drought policy Lake chad - decrease in area 1963, 1973, 1987, 1997 and 2001 aral sea - decrease in area 1960, 1990, 2000, and 2010 the livelihoods of the … region, southern africa and parts of southern asia • The area affected by drought has increased since the 1970s, with …
17 May 2026 Document in Climate and Atmosphere

United Nations Convention to Combat Desertification in Countries experiencing Serious Drought and/or Desertification, particularly in Africa - extract from InforMEA e-learning course

17 May 2026 Course lesson in Climate and Atmosphere

Ozone Depletion - Chapter 9 - UNEP Training Manual on International Environmental Law

17 May 2026 Document in Climate and Atmosphere