This invisible gas makes up about 21% of the Earth’s atmosphere.
Oxygen
This is the largest ocean on Earth.
Pacific Ocean
This rainforest is called the “lungs of the Earth"
Amazon rainforest
This animal is the largest land mammal.
African Elephant
The “3 Rs” of protecting the environment.
Reduce, Reuse, Recycle
This protective layer in the atmosphere shields us from harmful UV rays.
(What layer?)
Ozone Layer
The Great Barrier Reef is located off the coast of this country.
Australia
This type of forest grows in cold climates and is dominated by pine, spruce, and fir trees.
taiga / boreal forest
Bees are essential to humans because they help with this process.
pollination
This is the most recycled material in the world.
aluminum
What percentage of the world's population does not have access to clean air.
92%
(percent error of 5% )
Around this percentage of the world’s wastewater is released into nature untreated.
80%
Deforestation mainly happens for this reason worldwide.
agriculture/farming
These sea turtles are endangered partly because they mistake plastic bags for this food.
Jellyfish
This agreement, signed in 2015, aims to keep global warming below 2°C
Paris agreement
These tiny ocean organisms produce about half of the Earth’s oxygen.
phytoplankton or plankton
The chemical equation for the formation of water from oxygen and hydrogen
2H₂ + O₂→ 2H₂O
The most common tree species in Massachusetts
Red maple
These animals are considered “environment indicators” because they are sensitive to pollution
Frogs
Recycling one ton of paper saves about this many trees.
17
equation for photosynthesis
6CO₂ + 6H₂O + Light Energy → C₆H₁₂O₆ + 6O₂
This country recycles nearly 90% of its wastewater, the highest in the world.
Israel
This country's overall tree cover has decreased by approximately 13% since 2000
Brazil
Name three most profitable global crimes
Illegal wildlife trade
Counterfeiting
Drug Trafficking
Human Trafficking
Cybercrime
Name 5 renewable energy