Problem 1: 
increasing CO2 emission

Globally the CO2 emission have been increased between 1990 and 2017 by 63.5%. In total 2019 the human kind has emissioned 36.7 giga tonnes, the highest emission ever. 

Leader are China, followed by the US, India and Russia - Germany ranking 6th. If we don't act now or do too little against the clima change, temprature will raise to an extrem that consequences will lead to an desaster for human kind. 

Therewith we need to act fast and now to reduce CO2 emission drastically. One important puzzel part will be to replace todays fossil coal by clima neutral coal. 

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