Technology and sustainability

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Across
  1. 6. /ˌrɑː məˈtɪəriəl/
  2. 8. /ˈfɑːsl fjuːəl/
  3. 10. /ˌkɑːbən ˈfʊtprɪnt/
  4. 11. eliminated or discarded as no longer useful
  5. 12. the practice of marketing a company or organisation so they appear more environmentally friendly or more ecological when in practice its activities pollute the environment.
Down
  1. 1. /səˌsteɪnəˈbɪləti/
  2. 2. /ˈwɪnd tɜːbaɪn/
  3. 3. /ɪnˈvaɪrənmənt/
  4. 4. energy that comes from renewable, zero emission sources
  5. 5. the presence in or introduction into the environment of a substance which has harmful or poisonous effects.
  6. 7. convert (waste) into reusable material.
  7. 9. device that converts sunlight into electricity by using photovoltaic (PV) cells.