Which country was the first to celebrate Earth Day?
What type of biome is often referred to as 'the lungs of the Earth' and provides our planet with around 20% of its oxygen?
Does Earth Day have a fixed date?
What gas is produced when carbon and oxygen bond together?
True or false: The Earth's oceans provide major carbon storage systems?
Which American Senator founded Earth Day?
What type of zone describes an area of the ocean in which no life exists due to low oxygen levels?
Why is planet Earth commonly known as the Blue Planet?
What year was Earth Day first celebrated?
The total amount of greenhouse gases released into the atmosphere as a result of human activity is known as: a) Carbon Handprint, b) Carbon Fingerprint, c) Carbon Footprint?