The Environment

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Across
  1. 6. Reduction in the concentration of ozone in the ozone layer.*
  2. 7. The process by which soil is gradually removed by the rain, wind, or sea.*
  3. 11. A storm with a violent wind, in particular a tropical cyclone in the Caribbean.
  4. 13. A mobile, destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud and advancing beneath a large storm system.
  5. 14. Fuels such as oil, coal and natural gas.*
  6. 15. Contamination of the air, water, or soil with substances that can cause harm to human health or the environment.
  7. 18. Substances used for destroying insects or other organisms harmful to cultivated plants or to animals.
  8. 19. ... is defined as the presence of toxic chemicals (pollutants or contaminants) in soil, in high enough concentrations to pose a risk to human health and/or the ecosystem.*
  9. 20. A layer of ozone high above the earth’s surface, which absorbs most of the ultraviolet radiation reaching the earth from the sun.*
  10. 25. The condition of being populated with excessively large numbers.
  11. 28. A colourless, odourless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 per cent) and is absorbed by plants in photosynthesis; the most abundante of the greenhouse gases.
  12. 30. A slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles.
  13. 31. A long, high sea wave caused by an earthquake or other disturbance.
  14. 34. Damaged to people caused by high levels of toxic chemicals released into the air in urban environments.
  15. 35. A sudden violent shaking of the ground, typically causing great destruction, as a result of movements within the earth's crust or volcanic action.
  16. 36. A layer of ice covering an extensive tract of land for a long period of time.
  17. 37. Farming that aims to produce as much as possible, usually with the use of chemicals.*
  18. 39. A sudden and violent event in nature (such as an earthquake, hurricane or flood) that kills or injures a lot of people or causes a lot of damage.*
  19. 42. Invisible rays that are part of the energy that comes from the sun, can burn the skin, and cause skin cancer.*
  20. 43. Gases ejected from an engine as waste products.*
  21. 46. Waste, especially industrial waste, that is hazardous to human health or the environment and which requires special facilities for its disposal.*
  22. 48. A storm with thunder and lightning and typically also heavy rain or hail.
  23. 52. Avoidance of the depletion of natural resources in order to maintain an ecological balance.
  24. 54. A cavity in the ground, especially in a limestone formation, caused by water erosion and providing a route for surface water to disappear underground.
  25. 60. A luxuriant, dense forest rich in biodiversity, found typically in tropical areas with consistently heavy rainfall.
  26. 61. The part of the earth’s surface and atmosphere in which plants and animals can live.
  27. 62. Destruction of forests to make land for agriculture.
  28. 63. Power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
  29. 67. A very strong wind that blows high in the earth's atmosphere and has an important influence on the weather.*
  30. 68. Waste material; refuse or litter.
  31. 69. Changes in the earth’s weather, including changes in temperature, wind patterns and rainfall, especially the increase in the temperature of the earth’s atmosphere that is caused by the increase of particular gases, especially carbon dioxide.*
  32. 70. A mass of mud and other earthy material that is falling or has fallen down a hillside or other slope.
Down
  1. 1. A snowstorm with very strong winds.
  2. 2. Gases that trap the heat of the sun in the earth's atmosphere, producing the greenhouse effect.*
  3. 3. Protecting, maintaining or improving natural resources, to keep them safe from destruction or degradation and conserve them for future generations.
  4. 4. The surroundings and external conditions that affect the growth and development of living things.
  5. 5. Energy from a source that is not depleted when used, such as wind or solar power.*
  6. 8. The destruction of something, especially waste material, by burning.
  7. 9. A situation in which a plant, an animal, a way of life, etc. stops existing.
  8. 10. Someone who catches and kills animals illegally.
  9. 12. The natural home or environment of an animal, plant, or other organism.
  10. 16. Substance which may be harmful to the environment or hazardous to your health if inhaled, ingested or absorbed through the skin.*
  11. 17. A species of animal or plant that is seriously at risk of extinction.*
  12. 21. A mass of snow, ice and rock that falls down the side of a mountain.
  13. 22. The problem of the slow steady rise in temperature of the earth’s atmosphere, caused by an increase of gases such as carbon dioxide in the air surrounding the earth, which trap the heat of the sun.*
  14. 23. A gradual warming of the earth's surface temperature reportedly caused by the emission of gases that trap the sun's heat in the earth's atmosphere.*
  15. 24. Materials or substances occurring in nature which can be exploited for economic gain.*
  16. 26. A chemical used for killing insects.
  17. 27. The natural home or environment of an animal, plant, or other organism.
  18. 29. The effect of a man-made activity, change, or development on the natural environment.*
  19. 32. An escape of oil into the sea or other body of water.*
  20. 33. The process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture.
  21. 38. The geological activity that results in The abrupt collapse of the ground cover; a depression in the ground cover clearly visible to the naked eye.*
  22. 40. A substance enclosed under pressure and released as a fine spray by means of a propellant gas.*
  23. 41. The illegal hunting or capturing of wild animals, usually associated with land use right.
  24. 44. The process of minimising waste by recovering materials and transforming them into new products.
  25. 45. A large mass of rotating air located in the upper-middle atmospheric layers over either of the earth's poles, typically behind a polar front.*
  26. 47. Fog or haze intensified by smoke or other atmospheric pollutants.
  27. 49. A violent disturbance of the atmosphere with strong winds and usually rain, thunder, lightning, or snow.
  28. 50. ... is the existence of a wide variety of plant and animal species living in their natural environment.
  29. 51. Capable of being broken down or decomposed by natural biological processes.
  30. 53. The mixture of gases that surrounds the earth.
  31. 55. A community of plants, animals and other organisms living in an area which provides what they need in order to survive.
  32. 56. All the plants and living creatures in a particular area considered in relation to their physical environment.
  33. 57. Substances that pollute something, especially water or the atmosphere.
  34. 58. The study of the relationship of living things (plants, animals and humans) with each other and with their environment.
  35. 59. An overflow of a large amount of water beyond its normal limits, especially over what is normally dry land.
  36. 62. A prolonged period of abnormally low rainfall, leading to a shortage of water.
  37. 64. Knowledge or perception of a situation or fact.
  38. 65. Rain mixed with sulphuric, nitric and other acids formed by gases released into the atmosphere when fossil fuels are burned.*
  39. 66. An area designated to receive household garbage, solid waste and construction debris.