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  td.tid AS category_tid, AS category_name, 
  cat_alias.dst AS category_path, 
  CONCAT( 'taxonomy/term/', td.tid ) AS raw_category_path, 
  td2.tid AS subcategory_tid, AS subcategory_name, 
  subcat_alias.dst AS subcategory_path, 
  CONCAT( 'taxonomy/term/', td2.tid ) AS raw_subcategory_path, 
  n.title AS node_title, 
  n.created AS created_unix_time, 
  pd.published_at AS published_unix_time, 
  node_alias.dst AS node_path, 
  CONCAT( 'node/', tn.nid ) AS raw_node_path, 
  ca.field_front_is_popular_value AS node_is_popular, 
  ca.field_front_is_in_rotator_value AS is_in_front_rotator, 
  ffront.filepath AS front_rotator_image, 
  ca.field_front_rotator_text_value AS front_rotator_text, 
  ca.field_front_rotator_subtext_value AS front_rotator_subtext, 
  ca.field_category_is_popular_value AS category_node_is_popular, 
  ca.field_category_is_in_rotator_value AS is_in_category_rotator, 
  fcat.filepath AS category_rotator_image, 
  ca.field_category_rotator_text_value AS category_rotator_text, 
  ca.field_short_title_value AS node_short_title, 
  ca.field_short_description_value AS node_short_description, 
  CONCAT( '/images/', en1.image_name ) as thumb140x100, 
  CONCAT( '/images/', en2.image_name ) as thumb85x62, 
  CONCAT( '/images/', en3.image_name ) as thumb70x50 
FROM `term_hierarchy` th 
JOIN term_data td ON th.tid = td.tid AND parent = 0 
LEFT JOIN url_alias cat_alias ON cat_alias.src = CONCAT( 'taxonomy/term/', td.tid ) 
JOIN term_hierarchy th2 ON td.tid = th2.parent 
JOIN term_data td2 ON th2.tid = td2.tid  
LEFT JOIN url_alias subcat_alias ON subcat_alias.src = CONCAT( 'taxonomy/term/', td2.tid ) 
JOIN term_node tn ON tn.tid = td2.tid 
JOIN node n ON n.nid = tn.nid AND n.type = 'article' AND status = 1 
LEFT JOIN publication_date AS pd ON n.nid = pd.nid 
LEFT JOIN url_alias node_alias ON node_alias.src = CONCAT( 'node/', tn.nid ) 
JOIN content_type_article ca ON n.nid = ca.nid 
LEFT JOIN eco_node_image en1 ON en1.nid = n.nid AND en1.image_type = 'thumb140x100' 
LEFT JOIN eco_node_image en2 ON en2.nid = n.nid AND en2.image_type = 'thumb85x62' 
LEFT JOIN eco_node_image en3 ON en3.nid = n.nid AND en3.image_type = 'thumb70x50' 
LEFT JOIN files ffront ON ffront.fid = ca.field_front_rotator_image_fid 
LEFT JOIN files fcat ON fcat.fid = ca.field_category_rotator_image_fid 
WHERE td.vid = 1 
AND != 'Blogs' 
ORDER BY td.weight, td.tid, td2.weight, td2.tid, tn.weight_in_tid, tn.nid 
Biodegradable - Definition from

Definition of Biodegradable

What Is Biodegradable?

Technically speaking, a biodegradable item is something that can be decomposed naturally by microorganisms and other biological processes. Biodegradable waste products can also be called green waste, food waste, or organic waste.When biodegradable products are exposed to nature, including oxygen and moisture, they break down relatively efficiently. Here’s an example of how long various biodegradable items take to break down naturally (assuming an adequate supply of oxygen and moisture):

  • Cardboard (unwaxed) – 3 months
  • Cigarette – 1-5 years
  • Cotton rope – 3-14 months
  • Newspaper – 2-4 weeks
  • Orange peels – 2-4 weeks
  • Paper – 2-5 months
  • Paper towels – 2-4 weeks
  • Wood (plywood) – 1-3 years

However, when biodegradable materials are thrown into a landfill where they are not subjected to natural decomposition (they’re deprived of oxygen and moisture), they break down very slowly and create methane gas in the process. Methane is a greenhouse gas that is 20+ times more effective at trapping heat in the atmosphere than carbon dioxide, and is therefore a significant pollutant when it comes to climate change.There are many items that would be considered non-biodegradable, and though they will eventually break down, the time it takes for this to occur is much longer. Consider, for instance, these items: 

  • Aluminum cans – 200 years
  • Diapers – 450 years
  • Fishing line – 600 years
  • Glass – 1,000 years
  • Milk carton (waxed) – 1-5 years
  • Plastic bags – 10-20 years
  • Plastic bottles – 700-1,000 years
  • Plastic six-pack holder – 400 years
  • Styrofoam cup – 50 years
  • Tin cans – 50 years

Most biodegradable materials also originate from renewable sources, such as trees, grass, food crops, and the like, making them more sustainable in the long term to produce.

Biodegradable Articles

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