Climate Change Flashcards
What is the main gas responsible for climate change?
Carbon dioxide
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?
99%
Approximately how much has the Earths average global temperature since 1880?
0.8 degrees
How much have sea levels risen since 1900 ?
21 cms
Which global climate agreement did the United States withdraw from in 2020, only to rejoin in 2021 ?
Paris Agreement
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.
50%
Which of the following was the main cause of the depletion of the ozone layer?
Chlorofluorocarbons (CFCs)
The largest hole in the ozone layer is 24.5 million km2 , but over which area?
Antarctica
Excluding microplastic, how many pieces of plastic are there in the ocean?
Over 5 trillion pieces of plastic and 24 trillion pieces of microplastic
True or false, climate change has no impact on the number of tropical storms?
False, the number of tropical storms has increased significantly
What is the geographical term for something that absorbs more carbon from the atmosphere than it releases?
Carbon sink
The Amazon Rainforest has shrunk by approximately 13% with one industry responsible for about 80% of all deforestation?
Cattle
How much of American energy comes from renewable energy sources?
20%
True or false, melting permafrost could have devastating effects on the climate as they are great storage of Carbon dioxide?
True
Approximately how many species are believed to have gone extinct since 1900?
500
