Gefälle CO2
Palabras clave
downturn,
hillside,
traffic sign,
roadsign,
symbol,
roadsign,
warning sign,
signs,
carbon dioxide,
environment,
climate,
climate change,
carbon,
oxygen,
gas,
gasoline,
propellant,
decrease,
reduction,
dismantling,
pollution,
heat,
stream,
emission,
oil,
greenhouse effect,
nature,
coal,
ecosystem,
environmentalism,
energy,
renewable energy,
nuclear energy,
release,
isolated