Exp 4- Sustainability

Which of these sets of gases are ALL greenhouse gases?

• Carbon Dioxide, Methane and Water Vapour

• Carbon, Water and Acid

• Carbon Dioxide, oxygen and nitrogen

Why is it important that the levels of greenhouse gases in our atmosphere remain roughly the same?

• So that we can breathe more easily

• To maintain a nice stable climate

• To help keep us cool

What is causing the sharp rise in carbon dioxide levels in our atmosphere today?

• The Earth's natural cycles

• Human actions such as burning fossil fuels, farming and deforestation

• Sun spots and Volvanic activity

Why is all this extra carbon dioxide in our atmosphere a problem?

• Its poisonous to animals

• Its causing global warming

• We're running out of oxygen

Answer explanation

In fact, the Earth is now hotter than it has been in over 100,000 years.

What is happening to our climate as a result of global warming?

• Hot areas are getting hotter

• Wet areas are getting wetter

• We are seeing more extreme weather

• All of the above

Sustainability means doing something in a way that cannot continue. True or false?

• True

• False

Answer explanation

It's false! Sustainability means doing something in a way that can continue or carry on. So, for example, if we treat our planet well, we can continue to support life on Earth.

Fossil fuels harm the environment because they cause carbon dioxide emissions. True or false?

• True

• False

Answer explanation

It's true! Burning fossil fuels causes carbon dioxide emissions which heat up the planet and cause climate change.

Some things we buy are transported from far away, using lots of energy to get to us. True or false?

• True

• False

Answer explanation

It's true! If we don't buy things that had travelled huge distances, or which had been made in unsustainably ways, then companies are more likely to try and find more sustainable ways of working.

What three-word phrase should we remember to help protect the environment?

• Remake, Replace, Reuse

• Rephrase, Remake, Retake

• Reduce, Reuse, Recycle

Answer explanation

Reduce, reuse, recycle is the best phrase to remember to protect the environment. Reduce how much we use, re-use what we have and recycle things when we are finished with them.

What can we recycle?

• Nothing

• Everything

• Lots of things

Answer explanation

A lot of things can be recycled and will have a symbol on to tell you what it is. You can then find out where it can be recycled.