Klimawandel
Schlüsselwörter
climate change,
climate,
global,
change,
temperature,
atmosphere,
studying,
greenhouse effect,
air,
infrared,
radiation,
burn,
fossil fuel,
combustible,
exhaust,
aerosol,
smoke,
gas,
environment,
catalyst,
science,
glacier,
melt,
polar,
ice,
north pole,
industry,
weather,
wind power,
environmentally friendly,
ecology,
environmentalism,
conservation,
nature