1.- The total amount of greenhouse gases produced to directly and indirectly support human activities, usually expressed in equivalent tons of carbon dioxide(CO2).
2.-Amount of CO2 emitted by burning one liter of gasoline: 2.3 kg
Driving a car for 6 km: 1 kg
Creating 5 plastic bags: 1 kg
Producing a cheeseburger: 3.2 kg
3.-When was the last time the Earth warmed up so fast? Six thousand years ago
4.-What is the name of the current extinction event? The anthropocene extinction
5.-What will probably happen by 2050? 90% of coral reefs could be gone
6.-About what proportion of mammal species could disappear by 2100? 1/5 of mammals species
7.-Which type of plant would probably grow faster with more CO2, weeds or crops? Weeds would grow faster with more CO2
8.-How many dollars has climate change cost us in wheat and maize losses per year since 1980? It has cost 5 billion dollars a year on average in wheat and maize losses
9.-According to a UN report, about how long do we have until climate change is irreversible? The planet has until 2030 to prevent permant damage
10.-Give an example of negative changes we’re already seeing. Severe storm
11.-What would be the cost of ending the use of fossil fuels? 54 trillion dollars
