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Environmental scientists have [revelled / revealed] shocking news that parts of the Amazon rainforest are [emitting / emoting] more carbon dioxide than they are [abrasive / absorbing] . The scientists said the forest is now producing over a billion tons of CO2 a year. They say the Amazon used to be a carbon "sink". This is where CO2 was [socked / sucked] up and converted into oxygen. However, it has now become a [source / sauce] of carbon dioxide. The forest is at risk of losing its [evolution / moniker] of being the [lungs / kidneys] of the world. Researchers are predicting the rainforest will create more CO2 [to / at] an accelerating rate in the future. The biggest culprits for the Amazon's [flipping / flipped] from sink to source are logging, deforestation and a [growing / growth] number of forest fires.

The research on the Amazon's CO2 emissions has been published in the [journey / journal] "Nature". Researchers analysed 600 [profiles / profits] of CO2 and carbon monoxide emissions produced by fires at [variety / various] sites in Brazil's Amazon between 2010 [to / and] 2018. They found that the fires produced about 1.5 billion tons of CO2 a year, [while / which] forest growth removed just 0.5 billion tons. The researchers said the difference of one billion tons left [on / in] the atmosphere is [equal / equivalent] to the annual emissions of Japan, which is the world's fifth-largest [polluter / pollutant] . Professor Simon Lewis, from University College London, said: "The south-east Amazon sink-to-source [fable / story] is yet another stark warning that climate impacts are [decelerating / accelerating] ."