artificial trees, definition of

Any change to the environment whether adverse or beneficial, wholly or partially resulting from human activity, industry or natural disasters.

• Klaus Lackner’s Artificial Trees Soak Up CO2 Emissions Faster Than Plants
  As news breaks that global carbon dioxide levels are at an all-time high, one scientist is developing "artificial trees" to help cleanse the air and reduce greenhouse gas pollution...
• 100,000 Synthetic Trees Could Help Combat Climate Change
  The field of geo-engineering has launched all kinds of outlandish ideas for combating climate change, from dumping iron into the world’s oceans to shooting mirrors into space...