waste and
recycling
climate statistics
wildlife/habitat
Australian environment
definitions
100

Number of cents you get per eligible container under Return and Earn?

10

100

Year Australia is targeting net zero emissions?

2050

100

Common name for an animal that eats both plants and meat?

Omnivore

100

Name of the reef off the coast of Queensland, the largest living structure on Earth

Great Barrier Reef

100

Term for cheap, trend-driven and quickly discarded clothing?

Fast Fashion

200

Most common single item found in beach litter audits worldwide?

cigarette butts

200

Percentage of Earth's water that is fresh water?

2.5%

200

Name of the process where coral turns white from heat stress?

bleaching

200

First Australian state to ban single-use plastic bags?

South Australia

200

Term for the layer of gases trapping heat in the atmosphere?

Greenhouse effect

300

Approximate number of years a plastic bottle takes to decompose?

450 years

300

Year the Paris Agreement was signed?

2015

300

Name of the current conservation status of the Tasmanian tiger (Thylacine)

extinct

300

Name of Australia's major bushfire disaster that burned 18+ million hectares, and the years that it occurred

Black summer, 2019-2020

300

Word for misleading "green" marketing claims?

Greenwashing

400

Approximate number of years an aluminium can takes to decompose?

200 years

400

Global temperature rise limit (in °C) set by the Paris Agreement?

1.5°C

400

Approximate percentage of all known animal species that are insects?

80%

400

Name of the introduced predator blamed for most native mammal extinctions in Australia?

Feral cat

400

Term for a when a habitat is broken into disconnected patches?

Fragmentation
500

Approximate percentage of household recycling bin contents that is contaminated?

10%

500

Approximate percentage of Australia's electricity from renewables in 2024?

40%

500

Term for a species that exists in only one specific geographic location and nowhere else on Earth?

Endemic

500

Name the 2022 Australian government report that assesses the state of the nation's environment every 5 years

State of the environment report

500

Term for an economic model based on reuse and recycling instead of waste?

Circular economy