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As part of the Paris Agreement, the international community has agreed to keep global warming below at least 2 degrees Celsius (but, ideally, 1.5 degrees Celsius) by the end of the century. According to scientists, global CO2 emissions need to be net zero by 2050 in order to achieve this goal. Switzerland has also committed itself to meeting this important target for the future.
Net zero is the balance between the amount of greenhouse gases produced and the amount removed from the atmosphere. Net zero thereby guarantees that the proportion of greenhouse gases in the atmosphere remains constant and does not increase further.
Negative emissions, which help to meet net-zero targets, are achieved with projects that remove CO2 from the atmosphere directly and store it over a longer period. Examples of negative-emission projects include reforestation (storage of CO2 in biomass), technologies for removing CO2 directly from the atmosphere (direct air capture), and storage of carbon in the ground (e.g. pyrolysis or soil management) or in sediment layers (carbon capture and storage). These types of project complement a net-zero strategy for dealing with unavoidable residual emissions.
Hier geht es zum Thema Netto-Null für Gemeinden