Skip to main content
Split Earth: green side with wind turbines and solar panels, barren side with polluting factories and waste
Photo: OpenAI

Environmental Issues: Planet in Danger

How long does a plastic bag take to break down at sea? Which country emits the most CO2? 20 number-driven questions on climate, biodiversity, oceans and international agreements.

20

Questions

3

Minutes

Tip: Use keys 1-4 to answer quickly

The 20 quiz questions

Question 1 : Which gas is the main contributor to the greenhouse effect?

Possible answers:

  • Helium (He)
  • Nitrogen (N2)
  • Carbon dioxide (CO2)
  • Oxygen (O2)

Explanation: Carbon dioxide (CO2) is the main human-caused greenhouse gas, primarily from burning fossil fuels. Methane and water vapor also contribute.

Question 2 : Which international agreement aims to limit global warming to 1.5°C?

Possible answers:

  • Kyoto Protocol
  • Paris Agreement
  • Montreal Treaty
  • Rio Convention

Explanation: The Paris Agreement, signed in 2015 at COP21, commits 196 countries to limiting global warming well below 2°C, ideally 1.5°C compared to pre-industrial levels.

Question 3 : What plastic continent floats in the Pacific Ocean?

Possible answers:

  • The Plastic Atlantis
  • The 8th continent
  • The 6th continent
  • The 7th continent

Explanation: The "7th continent" or "Great Pacific Garbage Patch" is an accumulation zone of plastic waste in the North Pacific, three times the size of France.

Question 4 : What is biodiversity?

Possible answers:

  • A renewable energy
  • A type of pollution
  • An agricultural technique
  • The diversity of life

Explanation: Biodiversity refers to the variety of living beings on Earth: diversity of species, genes and ecosystems.

Question 5 : How many species disappear each day according to estimates?

Possible answers:

  • 10-20
  • 50-80
  • 150-200
  • 500-600

Explanation: According to scientists, between 150 and 200 species disappear every day, a rate 1000 times higher than the natural extinction rate.

Question 6 : Which country emits the most CO2 in the world?

Possible answers:

  • India
  • Russia
  • United States
  • China

Explanation: China is the world's largest CO2 emitter with about 30% of global emissions, followed by the United States and India.

Question 7 : What does the ozone layer protect?

Possible answers:

  • The solar wind
  • Radio waves
  • Meteorites
  • Ultraviolet rays

Explanation: The ozone layer, located in the stratosphere, filters harmful ultraviolet (UV) rays from the sun, thus protecting life on Earth.

Question 8 : What does the acronym "COP" stand for in climate conferences?

Possible answers:

  • Climate Observation Program
  • Conference of the Parties
  • Coalition for Planetary Protection
  • Carbon Output Protocol

Explanation: COP stands for "Conference of the Parties", the signatory countries of the United Nations Framework Convention on Climate Change.

Question 9 : What percentage of the Amazon rainforest has been destroyed since 1970?

Possible answers:

  • 5%
  • 20%
  • 40%
  • 60%

Explanation: About 20% of the Amazon rainforest has been destroyed since 1970, mainly for cattle ranching and soybean cultivation.

Question 10 : Which renewable energy produces the most electricity in the world?

Possible answers:

  • Hydroelectricity
  • Solar power
  • Geothermal energy
  • Wind power

Explanation: Hydroelectricity accounts for about 60% of the world's renewable electricity production, thanks to dams and hydroelectric plants.

Question 11 : How long does a plastic bottle take to decompose in nature?

Possible answers:

  • 50 years
  • 100 years
  • 250 years
  • 450 years

Explanation: A plastic bottle takes between 400 and 500 years to decompose in nature. It breaks down into microplastics that pollute ecosystems.

Question 12 : Which sector is the largest emitter of greenhouse gases in France?

Possible answers:

  • Transportation
  • Agriculture
  • The building
  • Industry

Explanation: Transportation accounts for about 30% of GHG emissions in France, ahead of agriculture (19%), industry (18%), and buildings (17%).

Question 13 : What phenomenon refers to rising water levels due to climate change?

Possible answers:

  • Global flooding
  • Sea submersion
  • Sea level rise
  • The climate tsunami

Explanation: Sea level rise is caused by the thermal expansion of oceans and the melting of glaciers. It threatens millions of people living on coasts.

Question 14 : Which young Swedish activist launched "Fridays for Future"?

Possible answers:

  • Greta Thunberg
  • Emma Watson
  • Alexandria Ocasio-Cortez
  • Malala Yousafzai

Explanation: Greta Thunberg started her school strike for climate in 2018 in front of the Swedish Parliament, inspiring millions of young people worldwide.

Question 15 : What is "Earth Overshoot Day"?

Possible answers:

  • Global pollution peak
  • Depletion of annual resources
  • Maximum temperature
  • End of fossil fuels

Explanation: Earth Overshoot Day marks the date when humanity has consumed all the resources that Earth can renew in a year. In 2024, it was August 1st.

Question 16 : Which animal has become the symbol of global warming?

Possible answers:

  • The polar bear
  • The koala
  • The panda
  • The penguin

Explanation: The polar bear has become the symbol of global warming because its habitat, Arctic sea ice, is rapidly melting.

Question 17 : What is "greenwashing"?

Possible answers:

  • An eco-label
  • A gardening technique
  • Deceptive green marketing
  • A type of recycling

Explanation: Greenwashing is a deceptive marketing practice where a company presents itself as environmentally friendly without actually being so.

Question 18 : What is the European Union's carbon neutrality goal?

Possible answers:

  • 2030
  • 2040
  • 2050
  • 2060

Explanation: The European Union has committed to achieving carbon neutrality by 2050 as part of the European Green Deal.

Question 19 : Which marine animal is particularly threatened by plastic straws?

Possible answers:

  • Whales
  • Sea turtles
  • Dolphins
  • Sharks

Explanation: Sea turtles are very vulnerable to plastic straws and bags which they confuse with jellyfish. A viral video of a turtle with a straw in its nose raised awareness worldwide.

Question 20 : What does carbon footprint measure?

Possible answers:

  • Water consumption
  • Waste production
  • Energy use
  • CO2 emissions

Explanation: Carbon footprint measures the total amount of greenhouse gases emitted by an activity, product or person.

This quiz has been played 0 times

Similar quizzes

New Year's Eve: Traditions and Celebrations
Play
News & Society
Medium

New Year's Eve: Traditions and Celebrations

From Scottish first-footing to Italian lentils, from polka-dot clothes in the Philippines to lucky underwear in Brazil, here are 15 New Year's Eve traditions from around the world. What do Danes throw in front of their friends' doors? What do Russians do with their written wishes? Fifteen December 31st customs, from one continent to the next.

2 min24%
Major Events of the 21st Century
Play
News & Society
Medium

Major Events of the 21st Century

September 11 changed everything, the euro entered circulation, Brexit reshaped Europe, the WHO declared the COVID-19 pandemic. From the Arab Spring to Fukushima, from the invasion of Ukraine to OpenAI's conversational AI, 20 questions to pin down the dates that shaped the century.

3 min
Christmas: Traditions, Legends and Symbols
Play
News & Society
Medium

Christmas: Traditions, Legends and Symbols

From the lit-up fir tree to snow-covered markets, from traditional carols to legends from the Far North: 20 questions on the origins, symbols and customs of end-of-year celebrations around the world.

3 min75%
International Women's Rights Day
Play
News & Society
Medium

International Women's Rights Day

15 questions on the history of women's rights. March 8 traces its origins to a women workers' strike in 1917, the UN took it up and adopted a founding treaty in 1979, and a major world conference took place in 1995. Also on the program: the first woman in space in 1963, the first country to grant women the right to vote in 1893, the first female Nobel laureate in 1903, the abortion-rights law of 1975, the feminist essay of 1949, #MeToo in 2017 and women's share in parliament in 2024.

2 min