Definitions
Long-term change in Earth’s temperature and weather patterns
Climate Change
Main source of CO₂ emissions
Burning Fossil Fuels
Glaciers and ice caps are doing this
Melting
Earth has warmed about this much since the 1800s
~1.1°C
The ozone layer is located here
The Stratosphere
Gases that trap heat in the atmosphere
Greenhouse Gases
Cutting down forests
Deforestation
Increase in hurricanes, droughts, and heatwaves
Extreme Weather Events
CO₂ levels exceed this amount
420 ppm
Protects Earth from UV radiation
The Ozone Layer
Human-caused climate change
Anthropogenic Climate Change
Produces methane from livestock
Agriculture
Oceans rising due to warming and ice melt
Sea Level Rise
Oceans absorb about this % of excess heat
~90%
Chemicals that damage ozone
CFCs (Chlorofluorocarbons)
Process where gases trap heat
Greenhouse Effect
Industrialization increases this
Emissions
Climate change disrupts these systems
Ecosystems
% of scientists who agree climate change is human-caused
~97%
Agreement that reduced CFCs
Montreal Protocol
Name one greenhouse gas besides CO₂
Methane (CH₄) or Nitrous Oxide (N₂O)
Biggest overall driver of climate change
Human Activity
Species must do this or go extinct
Adapt or Migrate
The last decade is this on record
The Warmest
One major way to fight climate change
Using renewable energy / reducing fossil fuels