March 23rd, 2013; By Canadian Centre for Occupational Health and Safety
What does a tree planter do? Tree planters and other forestry workers perform physically demanding work. Some of their main duties are to: – Clear brush. – Carry and plant […]
Over fifty percent of the world’s oxygen is provided by algae. It’s believed that up to ninety percent might be supplied by it. Mature trees actually give off less oxygen then they produce.