Climate Change Flashcards

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1
Q

What is the main gas responsible for climate change?

A

Carbon dioxide

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2
Q

Despite this gas having a devastating effect on the climate, most of the atmosphere is made up of Nitrogen and Oxygen, but just how much of the atmosphere is made up of these two gases?

A

99%

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3
Q

Approximately how much has the Earths average global temperature since 1880?

A

0.8 degrees

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4
Q

How much have sea levels risen since 1900 ?

A

21 cms

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5
Q

Which global climate agreement did the United States withdraw from in 2020, only to rejoin in 2021 ?

A

Paris Agreement

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6
Q

The target of the Paris Agreement is to limit the rise in global mean temperatures to 1.5 degrees above pre industrial levels . How much do they estimate that emissions need to be cut by 2030 in order to achieve this.

A

50%

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7
Q

Which of the following was the main cause of the depletion of the ozone layer?

A

Chlorofluorocarbons (CFCs)

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8
Q

The largest hole in the ozone layer is 24.5 million km2 , but over which area?

A

Antarctica

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9
Q

Excluding microplastic, how many pieces of plastic are there in the ocean?

A

Over 5 trillion pieces of plastic and 24 trillion pieces of microplastic

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10
Q

True or false, climate change has no impact on the number of tropical storms?

A

False, the number of tropical storms has increased significantly

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11
Q

What is the geographical term for something that absorbs more carbon from the atmosphere than it releases?

A

Carbon sink

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12
Q

The Amazon Rainforest has shrunk by approximately 13% with one industry responsible for about 80% of all deforestation?

A

Cattle

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13
Q

How much of American energy comes from renewable energy sources?

A

20%

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14
Q

True or false, melting permafrost could have devastating effects on the climate as they are great storage of Carbon dioxide?

A

True

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15
Q

Approximately how many species are believed to have gone extinct since 1900?

A

500

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16
Q

Which country is the largest emitter of greenhouse gases today?

A

China

17
Q

Three of the following countries still allow the Commercial hunting of whales? China, Russia, Japan, Finland , Norway, Iceland

A

Japan, Norway, and Iceland

18
Q

Coral is very susceptible to changes in sea temperature. How much of the world’s coral did we lose from 2008 - 2019 as a result of sea temperature rising?

A

14%

19
Q

According to the UNHCR , how many people have been displaced annually by weather- related events since 2008?

A

21.5 million

20
Q

How much has the Argentiere Glacier ( a glacier on Mount Blanc) retreated since 1870?

A

1150