The Phoenix Cups, Chris Phoenix Earth Child Environmental Sustainability with Phoenix Support for Educators The earth is estimated to be 4.5 billion years old.Agricultural humans have only been on this planet for 10,000 years.In that 10,000 yea... Climate change Environmental sustainability Future generations Greenhouse gas emissions Industrial Revolution impact Melting ice caps Natural disasters increase Population growth effects Sea level rise Sustainability education 31 Dec 2015 Blog
