Complex sentence: The weather is hot with an average of over 30 ° C all the year, the oil wells flares produces large amount of carbon dioxide (CO2), which produces a greenhouse effects which made the place even hotter.
Split into simpler sentences: The weather is hot with an average of over 30 ° C all the year. The oil well flares produce large amount of carbon dioxide (CO2), which produces a greenhouse effects which made the place even hotter.