gases that trap the sun´s heat
greenhouse gases
The ice in the arctic or Antarctic
ice caps
cutting down forests
deforestation
the tropical forests
rainforests
these produce electricity
power stations
when there is no rain for a long time
drought
harmful chemicals in the air or water
pollution
the Earth is getting hotter
climate change / global warmimg
Coal, oil and gas are
fossil fuels
tropical storms
hurricanes
carbon dioxide
CO2