Analyse @NOAA's tweets
Carbon dioxide levels are now higher than at anytime in the past 3.6 million years.
See today's story from @NOAAResearch at: https://t.co/SQTlGsSWGT
#GreenhouseGas #CO2 https://t.co/5P4Pq0kzMG
See today's story from @NOAAResearch at: https://t.co/SQTlGsSWGT
#GreenhouseGas #CO2 https://t.co/5P4Pq0kzMG