Biodegradability
How long does a stack of worksheets take to biodegrade?
2 to 5 months
Which country has the least air pollution in the world?
Australia
How do windmills help the environment?
Windmills help to generate clean energy which can be used to power our motors.
What is the average emissions per car every year?
4600kg
How long does a plastic bottle take to biodegrade?
400-500 years.
Which is the dirtiest river in the world?
Ganges River, India
How do you think seaweed can help the environment?
Seaweed is a good carbon store, and can also absorb the methane released by cows.
How much methane do cows emit per year?
120kg.
How long does a glass bottle take to biodegrade?
4000 years.
Which country has the most polluted air in the world?
Pakistan
What do you think are self-shading windows, and how do they help the environment?
Self-shading windows turn to shade the room when it is hot, and this reduces the need for air conditioners.
How much food does an average global household waste each year?
74 kg.
How long does a ceramic cup take to biodegrade?
30000 years.
What percentage of water is polluted on Earth?
70%
What is geothermal energy and how is it environmentally friendly?
Geothermal energy is energy from the earth and is a clean source of energy as it comes from the Earth itself.
How many plastic bags are being used per year.
5 trillion.
How long does a pair of shoes take to biodegrade?
30-40 years.
How much water is contaminated every day?
2 million tonnes.
How many trees are being cut down per year?
15 billion trees.